Home / 8,839.49-12,198.80-4,860.90

Finding the Fourth Proportional to 8,839.49, 12,198.80 and 4,860.90

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Solution

The fourth proportional to 8,839.49, 12,198.80 and 4,860.90 is: 6,708.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.49 : 12,198.80 = 4,860.90 : x
  2. Step 2: Convert to fraction form
    8,839.49/12,198.80 = 4,860.90/x
  3. Step 3: Cross multiply
    8,839.49x = 12,198.80 × 4,860.90
  4. Step 4: Simplify right side
    8,839.49x = 59,297,159.07
  5. Step 5: Solve for x
    x = 59,297,159.07/8,839.49
  6. Step 6: Final answer
    x = 6,708.21

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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.