Home / 5,542.20-8,314.65-1,646.61

Finding the Fourth Proportional to 5,542.20, 8,314.65 and 1,646.61

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Solution

The fourth proportional to 5,542.20, 8,314.65 and 1,646.61 is: 2,470.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,542.20 : 8,314.65 = 1,646.61 : x
  2. Step 2: Convert to fraction form
    5,542.20/8,314.65 = 1,646.61/x
  3. Step 3: Cross multiply
    5,542.20x = 8,314.65 × 1,646.61
  4. Step 4: Simplify right side
    5,542.20x = 13,690,985.84
  5. Step 5: Solve for x
    x = 13,690,985.84/5,542.20
  6. Step 6: Final answer
    x = 2,470.32

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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.