Home / 6,663.28-9,195.18-3,638.29

Finding the Fourth Proportional to 6,663.28, 9,195.18 and 3,638.29

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Solution

The fourth proportional to 6,663.28, 9,195.18 and 3,638.29 is: 5,020.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663.28 : 9,195.18 = 3,638.29 : x
  2. Step 2: Convert to fraction form
    6,663.28/9,195.18 = 3,638.29/x
  3. Step 3: Cross multiply
    6,663.28x = 9,195.18 × 3,638.29
  4. Step 4: Simplify right side
    6,663.28x = 33,454,731.44
  5. Step 5: Solve for x
    x = 33,454,731.44/6,663.28
  6. Step 6: Final answer
    x = 5,020.76

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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.