Home / 7,472.65-11,209.98-2,540.96

Finding the Fourth Proportional to 7,472.65, 11,209.98 and 2,540.96

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Solution

The fourth proportional to 7,472.65, 11,209.98 and 2,540.96 is: 3,811.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.65 : 11,209.98 = 2,540.96 : x
  2. Step 2: Convert to fraction form
    7,472.65/11,209.98 = 2,540.96/x
  3. Step 3: Cross multiply
    7,472.65x = 11,209.98 × 2,540.96
  4. Step 4: Simplify right side
    7,472.65x = 28,484,110.78
  5. Step 5: Solve for x
    x = 28,484,110.78/7,472.65
  6. Step 6: Final answer
    x = 3,811.78

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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.