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Finding the Fourth Proportional to 6,132.72, 8,464.02 and 5,757.36

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Solution

The fourth proportional to 6,132.72, 8,464.02 and 5,757.36 is: 7,945.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,132.72 : 8,464.02 = 5,757.36 : x
  2. Step 2: Convert to fraction form
    6,132.72/8,464.02 = 5,757.36/x
  3. Step 3: Cross multiply
    6,132.72x = 8,464.02 × 5,757.36
  4. Step 4: Simplify right side
    6,132.72x = 48,730,410.19
  5. Step 5: Solve for x
    x = 48,730,410.19/6,132.72
  6. Step 6: Final answer
    x = 7,945.97

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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.