Home / 5,517.84-7,614.45-2,999.88

Finding the Fourth Proportional to 5,517.84, 7,614.45 and 2,999.88

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Solution

The fourth proportional to 5,517.84, 7,614.45 and 2,999.88 is: 4,139.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.84 : 7,614.45 = 2,999.88 : x
  2. Step 2: Convert to fraction form
    5,517.84/7,614.45 = 2,999.88/x
  3. Step 3: Cross multiply
    5,517.84x = 7,614.45 × 2,999.88
  4. Step 4: Simplify right side
    5,517.84x = 22,842,436.27
  5. Step 5: Solve for x
    x = 22,842,436.27/5,517.84
  6. Step 6: Final answer
    x = 4,139.74

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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.