Home / 5,517.61-7,614.07-2,999.66

Finding the Fourth Proportional to 5,517.61, 7,614.07 and 2,999.66

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Solution

The fourth proportional to 5,517.61, 7,614.07 and 2,999.66 is: 4,139.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.61 : 7,614.07 = 2,999.66 : x
  2. Step 2: Convert to fraction form
    5,517.61/7,614.07 = 2,999.66/x
  3. Step 3: Cross multiply
    5,517.61x = 7,614.07 × 2,999.66
  4. Step 4: Simplify right side
    5,517.61x = 22,839,621.22
  5. Step 5: Solve for x
    x = 22,839,621.22/5,517.61
  6. Step 6: Final answer
    x = 4,139.40

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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.