Home / 8,839.38-12,198.34-4,860.76

Finding the Fourth Proportional to 8,839.38, 12,198.34 and 4,860.76

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Solution

The fourth proportional to 8,839.38, 12,198.34 and 4,860.76 is: 6,707.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.38 : 12,198.34 = 4,860.76 : x
  2. Step 2: Convert to fraction form
    8,839.38/12,198.34 = 4,860.76/x
  3. Step 3: Cross multiply
    8,839.38x = 12,198.34 × 4,860.76
  4. Step 4: Simplify right side
    8,839.38x = 59,293,203.14
  5. Step 5: Solve for x
    x = 59,293,203.14/8,839.38
  6. Step 6: Final answer
    x = 6,707.85

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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.