Home / 5,400.13-8,096.72-2,279.28

Finding the Fourth Proportional to 5,400.13, 8,096.72 and 2,279.28

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Solution

The fourth proportional to 5,400.13, 8,096.72 and 2,279.28 is: 3,417.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.13 : 8,096.72 = 2,279.28 : x
  2. Step 2: Convert to fraction form
    5,400.13/8,096.72 = 2,279.28/x
  3. Step 3: Cross multiply
    5,400.13x = 8,096.72 × 2,279.28
  4. Step 4: Simplify right side
    5,400.13x = 18,454,691.96
  5. Step 5: Solve for x
    x = 18,454,691.96/5,400.13
  6. Step 6: Final answer
    x = 3,417.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.