Home / 7,488.66-11,234.32-2,557.15

Finding the Fourth Proportional to 7,488.66, 11,234.32 and 2,557.15

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Solution

The fourth proportional to 7,488.66, 11,234.32 and 2,557.15 is: 3,836.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.66 : 11,234.32 = 2,557.15 : x
  2. Step 2: Convert to fraction form
    7,488.66/11,234.32 = 2,557.15/x
  3. Step 3: Cross multiply
    7,488.66x = 11,234.32 × 2,557.15
  4. Step 4: Simplify right side
    7,488.66x = 28,727,806.91
  5. Step 5: Solve for x
    x = 28,727,806.91/7,488.66
  6. Step 6: Final answer
    x = 3,836.17

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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.