Home / 4,454.52-6,680.97-1,988.88

Finding the Fourth Proportional to 4,454.52, 6,680.97 and 1,988.88

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Solution

The fourth proportional to 4,454.52, 6,680.97 and 1,988.88 is: 2,982.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,454.52 : 6,680.97 = 1,988.88 : x
  2. Step 2: Convert to fraction form
    4,454.52/6,680.97 = 1,988.88/x
  3. Step 3: Cross multiply
    4,454.52x = 6,680.97 × 1,988.88
  4. Step 4: Simplify right side
    4,454.52x = 13,287,647.61
  5. Step 5: Solve for x
    x = 13,287,647.61/4,454.52
  6. Step 6: Final answer
    x = 2,982.96

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1.5x scale

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.