Home / 5,260.17-7,890.29-1,562.43

Finding the Fourth Proportional to 5,260.17, 7,890.29 and 1,562.43

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Solution

The fourth proportional to 5,260.17, 7,890.29 and 1,562.43 is: 2,343.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.17 : 7,890.29 = 1,562.43 : x
  2. Step 2: Convert to fraction form
    5,260.17/7,890.29 = 1,562.43/x
  3. Step 3: Cross multiply
    5,260.17x = 7,890.29 × 1,562.43
  4. Step 4: Simplify right side
    5,260.17x = 12,328,025.80
  5. Step 5: Solve for x
    x = 12,328,025.80/5,260.17
  6. Step 6: Final answer
    x = 2,343.66

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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.