Home / 8,228.04-12,278.79-7,353.24

Finding the Fourth Proportional to 8,228.04, 12,278.79 and 7,353.24

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Solution

The fourth proportional to 8,228.04, 12,278.79 and 7,353.24 is: 10,973.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.04 : 12,278.79 = 7,353.24 : x
  2. Step 2: Convert to fraction form
    8,228.04/12,278.79 = 7,353.24/x
  3. Step 3: Cross multiply
    8,228.04x = 12,278.79 × 7,353.24
  4. Step 4: Simplify right side
    8,228.04x = 90,288,889.78
  5. Step 5: Solve for x
    x = 90,288,889.78/8,228.04
  6. Step 6: Final answer
    x = 10,973.32

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Find fourth proportional to 4,114.02, 6,139.40 and 3,676.62
Half scale
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Double scale
Find fourth proportional to 8,229.04, 12,280.28 and 7,354.24
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.