Home / 5,502.72-8,257.14-4,272.60

Finding the Fourth Proportional to 5,502.72, 8,257.14 and 4,272.60

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Solution

The fourth proportional to 5,502.72, 8,257.14 and 4,272.60 is: 6,411.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,502.72 : 8,257.14 = 4,272.60 : x
  2. Step 2: Convert to fraction form
    5,502.72/8,257.14 = 4,272.60/x
  3. Step 3: Cross multiply
    5,502.72x = 8,257.14 × 4,272.60
  4. Step 4: Simplify right side
    5,502.72x = 35,279,456.36
  5. Step 5: Solve for x
    x = 35,279,456.36/5,502.72
  6. Step 6: Final answer
    x = 6,411.28

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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.