Home / 5,400.60-7,451.28-3,722.46

Finding the Fourth Proportional to 5,400.60, 7,451.28 and 3,722.46

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Solution

The fourth proportional to 5,400.60, 7,451.28 and 3,722.46 is: 5,135.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.60 : 7,451.28 = 3,722.46 : x
  2. Step 2: Convert to fraction form
    5,400.60/7,451.28 = 3,722.46/x
  3. Step 3: Cross multiply
    5,400.60x = 7,451.28 × 3,722.46
  4. Step 4: Simplify right side
    5,400.60x = 27,737,091.75
  5. Step 5: Solve for x
    x = 27,737,091.75/5,400.60
  6. Step 6: Final answer
    x = 5,135.93

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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.