Home / 4,487.42-6,726.80-2,839.88

Finding the Fourth Proportional to 4,487.42, 6,726.80 and 2,839.88

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Solution

The fourth proportional to 4,487.42, 6,726.80 and 2,839.88 is: 4,257.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487.42 : 6,726.80 = 2,839.88 : x
  2. Step 2: Convert to fraction form
    4,487.42/6,726.80 = 2,839.88/x
  3. Step 3: Cross multiply
    4,487.42x = 6,726.80 × 2,839.88
  4. Step 4: Simplify right side
    4,487.42x = 19,103,304.78
  5. Step 5: Solve for x
    x = 19,103,304.78/4,487.42
  6. Step 6: Final answer
    x = 4,257.08

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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.