Home / 5,427.56-8,142.35-2,466.21

Finding the Fourth Proportional to 5,427.56, 8,142.35 and 2,466.21

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Solution

The fourth proportional to 5,427.56, 8,142.35 and 2,466.21 is: 3,699.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.56 : 8,142.35 = 2,466.21 : x
  2. Step 2: Convert to fraction form
    5,427.56/8,142.35 = 2,466.21/x
  3. Step 3: Cross multiply
    5,427.56x = 8,142.35 × 2,466.21
  4. Step 4: Simplify right side
    5,427.56x = 20,080,732.66
  5. Step 5: Solve for x
    x = 20,080,732.66/5,427.56
  6. Step 6: Final answer
    x = 3,699.78

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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.