Home / 7,265.92-10,899.28-2,071.38

Finding the Fourth Proportional to 7,265.92, 10,899.28 and 2,071.38

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Solution

The fourth proportional to 7,265.92, 10,899.28 and 2,071.38 is: 3,107.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,265.92 : 10,899.28 = 2,071.38 : x
  2. Step 2: Convert to fraction form
    7,265.92/10,899.28 = 2,071.38/x
  3. Step 3: Cross multiply
    7,265.92x = 10,899.28 × 2,071.38
  4. Step 4: Simplify right side
    7,265.92x = 22,576,550.61
  5. Step 5: Solve for x
    x = 22,576,550.61/7,265.92
  6. Step 6: Final answer
    x = 3,107.18

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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.