Home / 5,427.72-8,142.06-1,532.12

Finding the Fourth Proportional to 5,427.72, 8,142.06 and 1,532.12

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Solution

The fourth proportional to 5,427.72, 8,142.06 and 1,532.12 is: 2,298.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.72 : 8,142.06 = 1,532.12 : x
  2. Step 2: Convert to fraction form
    5,427.72/8,142.06 = 1,532.12/x
  3. Step 3: Cross multiply
    5,427.72x = 8,142.06 × 1,532.12
  4. Step 4: Simplify right side
    5,427.72x = 12,474,612.97
  5. Step 5: Solve for x
    x = 12,474,612.97/5,427.72
  6. Step 6: Final answer
    x = 2,298.32

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Half scale
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Double scale
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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.