Home / 5,427.96-8,141.94-1,531.86

Finding the Fourth Proportional to 5,427.96, 8,141.94 and 1,531.86

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Solution

The fourth proportional to 5,427.96, 8,141.94 and 1,531.86 is: 2,297.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.96 : 8,141.94 = 1,531.86 : x
  2. Step 2: Convert to fraction form
    5,427.96/8,141.94 = 1,531.86/x
  3. Step 3: Cross multiply
    5,427.96x = 8,141.94 × 1,531.86
  4. Step 4: Simplify right side
    5,427.96x = 12,472,312.21
  5. Step 5: Solve for x
    x = 12,472,312.21/5,427.96
  6. Step 6: Final answer
    x = 2,297.79

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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.