Home / 5,695.49-8,543.28-1,997.80

Finding the Fourth Proportional to 5,695.49, 8,543.28 and 1,997.80

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Solution

The fourth proportional to 5,695.49, 8,543.28 and 1,997.80 is: 2,996.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,695.49 : 8,543.28 = 1,997.80 : x
  2. Step 2: Convert to fraction form
    5,695.49/8,543.28 = 1,997.80/x
  3. Step 3: Cross multiply
    5,695.49x = 8,543.28 × 1,997.80
  4. Step 4: Simplify right side
    5,695.49x = 17,067,764.78
  5. Step 5: Solve for x
    x = 17,067,764.78/5,695.49
  6. Step 6: Final answer
    x = 2,996.72

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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.