Home / 6,251.80-9,370.40-2,781.76

Finding the Fourth Proportional to 6,251.80, 9,370.40 and 2,781.76

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Solution

The fourth proportional to 6,251.80, 9,370.40 and 2,781.76 is: 4,169.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.80 : 9,370.40 = 2,781.76 : x
  2. Step 2: Convert to fraction form
    6,251.80/9,370.40 = 2,781.76/x
  3. Step 3: Cross multiply
    6,251.80x = 9,370.40 × 2,781.76
  4. Step 4: Simplify right side
    6,251.80x = 26,066,203.90
  5. Step 5: Solve for x
    x = 26,066,203.90/6,251.80
  6. Step 6: Final answer
    x = 4,169.39

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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.