Home / 5,005.20-7,508.50-1,717.87

Finding the Fourth Proportional to 5,005.20, 7,508.50 and 1,717.87

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Solution

The fourth proportional to 5,005.20, 7,508.50 and 1,717.87 is: 2,577.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.20 : 7,508.50 = 1,717.87 : x
  2. Step 2: Convert to fraction form
    5,005.20/7,508.50 = 1,717.87/x
  3. Step 3: Cross multiply
    5,005.20x = 7,508.50 × 1,717.87
  4. Step 4: Simplify right side
    5,005.20x = 12,898,620.45
  5. Step 5: Solve for x
    x = 12,898,620.45/5,005.20
  6. Step 6: Final answer
    x = 2,577.04

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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.