Home / 8,945.16-12,350.46-5,414.58

Finding the Fourth Proportional to 8,945.16, 12,350.46 and 5,414.58

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Solution

The fourth proportional to 8,945.16, 12,350.46 and 5,414.58 is: 7,475.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.16 : 12,350.46 = 5,414.58 : x
  2. Step 2: Convert to fraction form
    8,945.16/12,350.46 = 5,414.58/x
  3. Step 3: Cross multiply
    8,945.16x = 12,350.46 × 5,414.58
  4. Step 4: Simplify right side
    8,945.16x = 66,872,553.71
  5. Step 5: Solve for x
    x = 66,872,553.71/8,945.16
  6. Step 6: Final answer
    x = 7,475.84

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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.