Home / 8,542.50-12,810.67-3,612.52

Finding the Fourth Proportional to 8,542.50, 12,810.67 and 3,612.52

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Solution

The fourth proportional to 8,542.50, 12,810.67 and 3,612.52 is: 5,417.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,542.50 : 12,810.67 = 3,612.52 : x
  2. Step 2: Convert to fraction form
    8,542.50/12,810.67 = 3,612.52/x
  3. Step 3: Cross multiply
    8,542.50x = 12,810.67 × 3,612.52
  4. Step 4: Simplify right side
    8,542.50x = 46,278,801.59
  5. Step 5: Solve for x
    x = 46,278,801.59/8,542.50
  6. Step 6: Final answer
    x = 5,417.48

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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.