Home / 5,452.18-8,178.27-1,557.16

Finding the Fourth Proportional to 5,452.18, 8,178.27 and 1,557.16

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Solution

The fourth proportional to 5,452.18, 8,178.27 and 1,557.16 is: 2,335.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,452.18 : 8,178.27 = 1,557.16 : x
  2. Step 2: Convert to fraction form
    5,452.18/8,178.27 = 1,557.16/x
  3. Step 3: Cross multiply
    5,452.18x = 8,178.27 × 1,557.16
  4. Step 4: Simplify right side
    5,452.18x = 12,734,874.91
  5. Step 5: Solve for x
    x = 12,734,874.91/5,452.18
  6. Step 6: Final answer
    x = 2,335.74

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.