Home / 8,319.69-11,481.17-4,542.89

Finding the Fourth Proportional to 8,319.69, 11,481.17 and 4,542.89

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Solution

The fourth proportional to 8,319.69, 11,481.17 and 4,542.89 is: 6,269.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.69 : 11,481.17 = 4,542.89 : x
  2. Step 2: Convert to fraction form
    8,319.69/11,481.17 = 4,542.89/x
  3. Step 3: Cross multiply
    8,319.69x = 11,481.17 × 4,542.89
  4. Step 4: Simplify right side
    8,319.69x = 52,157,612.26
  5. Step 5: Solve for x
    x = 52,157,612.26/8,319.69
  6. Step 6: Final answer
    x = 6,269.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.