Home / 5,242.80-7,229.67-3,651.30

Finding the Fourth Proportional to 5,242.80, 7,229.67 and 3,651.30

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Solution

The fourth proportional to 5,242.80, 7,229.67 and 3,651.30 is: 5,035.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242.80 : 7,229.67 = 3,651.30 : x
  2. Step 2: Convert to fraction form
    5,242.80/7,229.67 = 3,651.30/x
  3. Step 3: Cross multiply
    5,242.80x = 7,229.67 × 3,651.30
  4. Step 4: Simplify right side
    5,242.80x = 26,397,694.07
  5. Step 5: Solve for x
    x = 26,397,694.07/5,242.80
  6. Step 6: Final answer
    x = 5,035.04

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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.