Home / 4,105.11-6,154.85-1,472.55

Finding the Fourth Proportional to 4,105.11, 6,154.85 and 1,472.55

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Solution

The fourth proportional to 4,105.11, 6,154.85 and 1,472.55 is: 2,207.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,105.11 : 6,154.85 = 1,472.55 : x
  2. Step 2: Convert to fraction form
    4,105.11/6,154.85 = 1,472.55/x
  3. Step 3: Cross multiply
    4,105.11x = 6,154.85 × 1,472.55
  4. Step 4: Simplify right side
    4,105.11x = 9,063,332.39
  5. Step 5: Solve for x
    x = 9,063,332.39/4,105.11
  6. Step 6: Final answer
    x = 2,207.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.