Home / 4,443.90-6,135.18-3,951.78

Finding the Fourth Proportional to 4,443.90, 6,135.18 and 3,951.78

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Solution

The fourth proportional to 4,443.90, 6,135.18 and 3,951.78 is: 5,455.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,443.90 : 6,135.18 = 3,951.78 : x
  2. Step 2: Convert to fraction form
    4,443.90/6,135.18 = 3,951.78/x
  3. Step 3: Cross multiply
    4,443.90x = 6,135.18 × 3,951.78
  4. Step 4: Simplify right side
    4,443.90x = 24,244,881.62
  5. Step 5: Solve for x
    x = 24,244,881.62/4,443.90
  6. Step 6: Final answer
    x = 5,455.77

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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.