Home / 5,238.68-7,229.36-3,001.30

Finding the Fourth Proportional to 5,238.68, 7,229.36 and 3,001.30

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Solution

The fourth proportional to 5,238.68, 7,229.36 and 3,001.30 is: 4,141.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.68 : 7,229.36 = 3,001.30 : x
  2. Step 2: Convert to fraction form
    5,238.68/7,229.36 = 3,001.30/x
  3. Step 3: Cross multiply
    5,238.68x = 7,229.36 × 3,001.30
  4. Step 4: Simplify right side
    5,238.68x = 21,697,478.17
  5. Step 5: Solve for x
    x = 21,697,478.17/5,238.68
  6. Step 6: Final answer
    x = 4,141.78

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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.