Home / 4,755.42-6,565.56-4,257.20

Finding the Fourth Proportional to 4,755.42, 6,565.56 and 4,257.20

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Solution

The fourth proportional to 4,755.42, 6,565.56 and 4,257.20 is: 5,877.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.42 : 6,565.56 = 4,257.20 : x
  2. Step 2: Convert to fraction form
    4,755.42/6,565.56 = 4,257.20/x
  3. Step 3: Cross multiply
    4,755.42x = 6,565.56 × 4,257.20
  4. Step 4: Simplify right side
    4,755.42x = 27,950,902.03
  5. Step 5: Solve for x
    x = 27,950,902.03/4,755.42
  6. Step 6: Final answer
    x = 5,877.69

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Double scale
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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.