Home / 7,355.52-10,150.20-3,998.30

Finding the Fourth Proportional to 7,355.52, 10,150.20 and 3,998.30

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Solution

The fourth proportional to 7,355.52, 10,150.20 and 3,998.30 is: 5,517.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.52 : 10,150.20 = 3,998.30 : x
  2. Step 2: Convert to fraction form
    7,355.52/10,150.20 = 3,998.30/x
  3. Step 3: Cross multiply
    7,355.52x = 10,150.20 × 3,998.30
  4. Step 4: Simplify right side
    7,355.52x = 40,583,493.91
  5. Step 5: Solve for x
    x = 40,583,493.91/7,355.52
  6. Step 6: Final answer
    x = 5,517.42

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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.