Home / 7,713.60-11,572.20-2,519.52

Finding the Fourth Proportional to 7,713.60, 11,572.20 and 2,519.52

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Solution

The fourth proportional to 7,713.60, 11,572.20 and 2,519.52 is: 3,779.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,713.60 : 11,572.20 = 2,519.52 : x
  2. Step 2: Convert to fraction form
    7,713.60/11,572.20 = 2,519.52/x
  3. Step 3: Cross multiply
    7,713.60x = 11,572.20 × 2,519.52
  4. Step 4: Simplify right side
    7,713.60x = 29,156,389.34
  5. Step 5: Solve for x
    x = 29,156,389.34/7,713.60
  6. Step 6: Final answer
    x = 3,779.87

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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.