Home / 8,152.40-12,228.60-2,309.01

Finding the Fourth Proportional to 8,152.40, 12,228.60 and 2,309.01

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Solution

The fourth proportional to 8,152.40, 12,228.60 and 2,309.01 is: 3,463.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,152.40 : 12,228.60 = 2,309.01 : x
  2. Step 2: Convert to fraction form
    8,152.40/12,228.60 = 2,309.01/x
  3. Step 3: Cross multiply
    8,152.40x = 12,228.60 × 2,309.01
  4. Step 4: Simplify right side
    8,152.40x = 28,235,959.69
  5. Step 5: Solve for x
    x = 28,235,959.69/8,152.40
  6. Step 6: Final answer
    x = 3,463.52

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Half scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.