Home / 8,755.43-12,082.57-5,218.97

Finding the Fourth Proportional to 8,755.43, 12,082.57 and 5,218.97

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Solution

The fourth proportional to 8,755.43, 12,082.57 and 5,218.97 is: 7,202.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.43 : 12,082.57 = 5,218.97 : x
  2. Step 2: Convert to fraction form
    8,755.43/12,082.57 = 5,218.97/x
  3. Step 3: Cross multiply
    8,755.43x = 12,082.57 × 5,218.97
  4. Step 4: Simplify right side
    8,755.43x = 63,058,496.89
  5. Step 5: Solve for x
    x = 63,058,496.89/8,755.43
  6. Step 6: Final answer
    x = 7,202.22

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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.