Home / 6,142.30-8,476.55-3,752.66

Finding the Fourth Proportional to 6,142.30, 8,476.55 and 3,752.66

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Solution

The fourth proportional to 6,142.30, 8,476.55 and 3,752.66 is: 5,178.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,142.30 : 8,476.55 = 3,752.66 : x
  2. Step 2: Convert to fraction form
    6,142.30/8,476.55 = 3,752.66/x
  3. Step 3: Cross multiply
    6,142.30x = 8,476.55 × 3,752.66
  4. Step 4: Simplify right side
    6,142.30x = 31,809,626.62
  5. Step 5: Solve for x
    x = 31,809,626.62/6,142.30
  6. Step 6: Final answer
    x = 5,178.78

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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.