Home / 8,385.66-11,572.34-4,609.20

Finding the Fourth Proportional to 8,385.66, 11,572.34 and 4,609.20

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Solution

The fourth proportional to 8,385.66, 11,572.34 and 4,609.20 is: 6,360.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385.66 : 11,572.34 = 4,609.20 : x
  2. Step 2: Convert to fraction form
    8,385.66/11,572.34 = 4,609.20/x
  3. Step 3: Cross multiply
    8,385.66x = 11,572.34 × 4,609.20
  4. Step 4: Simplify right side
    8,385.66x = 53,339,229.53
  5. Step 5: Solve for x
    x = 53,339,229.53/8,385.66
  6. Step 6: Final answer
    x = 6,360.77

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Half scale
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Similar ratio
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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.