Home / 5,250.26-7,246.16-3,989.26

Finding the Fourth Proportional to 5,250.26, 7,246.16 and 3,989.26

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Solution

The fourth proportional to 5,250.26, 7,246.16 and 3,989.26 is: 5,505.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.26 : 7,246.16 = 3,989.26 : x
  2. Step 2: Convert to fraction form
    5,250.26/7,246.16 = 3,989.26/x
  3. Step 3: Cross multiply
    5,250.26x = 7,246.16 × 3,989.26
  4. Step 4: Simplify right side
    5,250.26x = 28,906,816.24
  5. Step 5: Solve for x
    x = 28,906,816.24/5,250.26
  6. Step 6: Final answer
    x = 5,505.79

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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.