Home / 7,414.08-10,230.90-4,429.86

Finding the Fourth Proportional to 7,414.08, 10,230.90 and 4,429.86

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Solution

The fourth proportional to 7,414.08, 10,230.90 and 4,429.86 is: 6,112.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.08 : 10,230.90 = 4,429.86 : x
  2. Step 2: Convert to fraction form
    7,414.08/10,230.90 = 4,429.86/x
  3. Step 3: Cross multiply
    7,414.08x = 10,230.90 × 4,429.86
  4. Step 4: Simplify right side
    7,414.08x = 45,321,454.67
  5. Step 5: Solve for x
    x = 45,321,454.67/7,414.08
  6. Step 6: Final answer
    x = 6,112.89

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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.