Home / 9,714.06-14,572.20-3,140.90

Finding the Fourth Proportional to 9,714.06, 14,572.20 and 3,140.90

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Solution

The fourth proportional to 9,714.06, 14,572.20 and 3,140.90 is: 4,711.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,714.06 : 14,572.20 = 3,140.90 : x
  2. Step 2: Convert to fraction form
    9,714.06/14,572.20 = 3,140.90/x
  3. Step 3: Cross multiply
    9,714.06x = 14,572.20 × 3,140.90
  4. Step 4: Simplify right side
    9,714.06x = 45,769,822.98
  5. Step 5: Solve for x
    x = 45,769,822.98/9,714.06
  6. Step 6: Final answer
    x = 4,711.71

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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.