Home / 4,387.80-6,581.70-2,747.55

Finding the Fourth Proportional to 4,387.80, 6,581.70 and 2,747.55

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Solution

The fourth proportional to 4,387.80, 6,581.70 and 2,747.55 is: 4,121.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.80 : 6,581.70 = 2,747.55 : x
  2. Step 2: Convert to fraction form
    4,387.80/6,581.70 = 2,747.55/x
  3. Step 3: Cross multiply
    4,387.80x = 6,581.70 × 2,747.55
  4. Step 4: Simplify right side
    4,387.80x = 18,083,549.84
  5. Step 5: Solve for x
    x = 18,083,549.84/4,387.80
  6. Step 6: Final answer
    x = 4,121.33

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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.