Home / 7,531.30-11,296.95-4,920.10

Finding the Fourth Proportional to 7,531.30, 11,296.95 and 4,920.10

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Solution

The fourth proportional to 7,531.30, 11,296.95 and 4,920.10 is: 7,380.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.30 : 11,296.95 = 4,920.10 : x
  2. Step 2: Convert to fraction form
    7,531.30/11,296.95 = 4,920.10/x
  3. Step 3: Cross multiply
    7,531.30x = 11,296.95 × 4,920.10
  4. Step 4: Simplify right side
    7,531.30x = 55,582,123.70
  5. Step 5: Solve for x
    x = 55,582,123.70/7,531.30
  6. Step 6: Final answer
    x = 7,380.15

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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.