Home / 9,302.28-12,838.68-7,180.92

Finding the Fourth Proportional to 9,302.28, 12,838.68 and 7,180.92

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Solution

The fourth proportional to 9,302.28, 12,838.68 and 7,180.92 is: 9,910.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,302.28 : 12,838.68 = 7,180.92 : x
  2. Step 2: Convert to fraction form
    9,302.28/12,838.68 = 7,180.92/x
  3. Step 3: Cross multiply
    9,302.28x = 12,838.68 × 7,180.92
  4. Step 4: Simplify right side
    9,302.28x = 92,193,533.99
  5. Step 5: Solve for x
    x = 92,193,533.99/9,302.28
  6. Step 6: Final answer
    x = 9,910.85

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Half scale
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Double scale
Find fourth proportional to 9,303.28, 12,840.06 and 7,181.92
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.