Home / 5,417.05-7,475.20-3,179.33

Finding the Fourth Proportional to 5,417.05, 7,475.20 and 3,179.33

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Solution

The fourth proportional to 5,417.05, 7,475.20 and 3,179.33 is: 4,387.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.05 : 7,475.20 = 3,179.33 : x
  2. Step 2: Convert to fraction form
    5,417.05/7,475.20 = 3,179.33/x
  3. Step 3: Cross multiply
    5,417.05x = 7,475.20 × 3,179.33
  4. Step 4: Simplify right side
    5,417.05x = 23,766,082.29
  5. Step 5: Solve for x
    x = 23,766,082.29/5,417.05
  6. Step 6: Final answer
    x = 4,387.28

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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.