Home / 7,240.20-9,993.02-5,543.22

Finding the Fourth Proportional to 7,240.20, 9,993.02 and 5,543.22

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Solution

The fourth proportional to 7,240.20, 9,993.02 and 5,543.22 is: 7,650.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240.20 : 9,993.02 = 5,543.22 : x
  2. Step 2: Convert to fraction form
    7,240.20/9,993.02 = 5,543.22/x
  3. Step 3: Cross multiply
    7,240.20x = 9,993.02 × 5,543.22
  4. Step 4: Simplify right side
    7,240.20x = 55,393,508.32
  5. Step 5: Solve for x
    x = 55,393,508.32/7,240.20
  6. Step 6: Final answer
    x = 7,650.83

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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.