Home / 8,319.35-11,481.17-4,542.87

Finding the Fourth Proportional to 8,319.35, 11,481.17 and 4,542.87

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Solution

The fourth proportional to 8,319.35, 11,481.17 and 4,542.87 is: 6,269.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.35 : 11,481.17 = 4,542.87 : x
  2. Step 2: Convert to fraction form
    8,319.35/11,481.17 = 4,542.87/x
  3. Step 3: Cross multiply
    8,319.35x = 11,481.17 × 4,542.87
  4. Step 4: Simplify right side
    8,319.35x = 52,157,448.33
  5. Step 5: Solve for x
    x = 52,157,448.33/8,319.35
  6. Step 6: Final answer
    x = 6,269.41

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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.