Home / 8,839.80-12,198.36-5,062.98

Finding the Fourth Proportional to 8,839.80, 12,198.36 and 5,062.98

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Solution

The fourth proportional to 8,839.80, 12,198.36 and 5,062.98 is: 6,986.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.80 : 12,198.36 = 5,062.98 : x
  2. Step 2: Convert to fraction form
    8,839.80/12,198.36 = 5,062.98/x
  3. Step 3: Cross multiply
    8,839.80x = 12,198.36 × 5,062.98
  4. Step 4: Simplify right side
    8,839.80x = 61,760,052.71
  5. Step 5: Solve for x
    x = 61,760,052.71/8,839.80
  6. Step 6: Final answer
    x = 6,986.59

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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.