Home / 5,199.56-7,177.10-4,139.26

Finding the Fourth Proportional to 5,199.56, 7,177.10 and 4,139.26

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Solution

The fourth proportional to 5,199.56, 7,177.10 and 4,139.26 is: 5,713.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.56 : 7,177.10 = 4,139.26 : x
  2. Step 2: Convert to fraction form
    5,199.56/7,177.10 = 4,139.26/x
  3. Step 3: Cross multiply
    5,199.56x = 7,177.10 × 4,139.26
  4. Step 4: Simplify right side
    5,199.56x = 29,707,882.95
  5. Step 5: Solve for x
    x = 29,707,882.95/5,199.56
  6. Step 6: Final answer
    x = 5,713.54

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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.