Home / 5,553.72-7,658.28-3,454.20

Finding the Fourth Proportional to 5,553.72, 7,658.28 and 3,454.20

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Solution

The fourth proportional to 5,553.72, 7,658.28 and 3,454.20 is: 4,763.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.72 : 7,658.28 = 3,454.20 : x
  2. Step 2: Convert to fraction form
    5,553.72/7,658.28 = 3,454.20/x
  3. Step 3: Cross multiply
    5,553.72x = 7,658.28 × 3,454.20
  4. Step 4: Simplify right side
    5,553.72x = 26,453,230.78
  5. Step 5: Solve for x
    x = 26,453,230.78/5,553.72
  6. Step 6: Final answer
    x = 4,763.16

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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.