Home / 6,553.28-9,043.16-3,758.78

Finding the Fourth Proportional to 6,553.28, 9,043.16 and 3,758.78

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Solution

The fourth proportional to 6,553.28, 9,043.16 and 3,758.78 is: 5,186.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,553.28 : 9,043.16 = 3,758.78 : x
  2. Step 2: Convert to fraction form
    6,553.28/9,043.16 = 3,758.78/x
  3. Step 3: Cross multiply
    6,553.28x = 9,043.16 × 3,758.78
  4. Step 4: Simplify right side
    6,553.28x = 33,991,248.94
  5. Step 5: Solve for x
    x = 33,991,248.94/6,553.28
  6. Step 6: Final answer
    x = 5,186.91

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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.