Home / 7,318.18-10,099.11-4,174.30

Finding the Fourth Proportional to 7,318.18, 10,099.11 and 4,174.30

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Solution

The fourth proportional to 7,318.18, 10,099.11 and 4,174.30 is: 5,760.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.18 : 10,099.11 = 4,174.30 : x
  2. Step 2: Convert to fraction form
    7,318.18/10,099.11 = 4,174.30/x
  3. Step 3: Cross multiply
    7,318.18x = 10,099.11 × 4,174.30
  4. Step 4: Simplify right side
    7,318.18x = 42,156,714.87
  5. Step 5: Solve for x
    x = 42,156,714.87/7,318.18
  6. Step 6: Final answer
    x = 5,760.55

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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.