Home / 5,150.20-7,753.40-3,517.08

Finding the Fourth Proportional to 5,150.20, 7,753.40 and 3,517.08

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Solution

The fourth proportional to 5,150.20, 7,753.40 and 3,517.08 is: 5,294.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.20 : 7,753.40 = 3,517.08 : x
  2. Step 2: Convert to fraction form
    5,150.20/7,753.40 = 3,517.08/x
  3. Step 3: Cross multiply
    5,150.20x = 7,753.40 × 3,517.08
  4. Step 4: Simplify right side
    5,150.20x = 27,269,328.07
  5. Step 5: Solve for x
    x = 27,269,328.07/5,150.20
  6. Step 6: Final answer
    x = 5,294.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.