Home / 7,531.28-11,298.57-3,088.97

Finding the Fourth Proportional to 7,531.28, 11,298.57 and 3,088.97

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Solution

The fourth proportional to 7,531.28, 11,298.57 and 3,088.97 is: 4,634.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.28 : 11,298.57 = 3,088.97 : x
  2. Step 2: Convert to fraction form
    7,531.28/11,298.57 = 3,088.97/x
  3. Step 3: Cross multiply
    7,531.28x = 11,298.57 × 3,088.97
  4. Step 4: Simplify right side
    7,531.28x = 34,900,935.44
  5. Step 5: Solve for x
    x = 34,900,935.44/7,531.28
  6. Step 6: Final answer
    x = 4,634.13

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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.