Home / 5,753.28-7,939.24-3,518.90

Finding the Fourth Proportional to 5,753.28, 7,939.24 and 3,518.90

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Solution

The fourth proportional to 5,753.28, 7,939.24 and 3,518.90 is: 4,855.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,753.28 : 7,939.24 = 3,518.90 : x
  2. Step 2: Convert to fraction form
    5,753.28/7,939.24 = 3,518.90/x
  3. Step 3: Cross multiply
    5,753.28x = 7,939.24 × 3,518.90
  4. Step 4: Simplify right side
    5,753.28x = 27,937,391.64
  5. Step 5: Solve for x
    x = 27,937,391.64/5,753.28
  6. Step 6: Final answer
    x = 4,855.91

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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.