Home / 7,224.70-9,968.85-4,080.82

Finding the Fourth Proportional to 7,224.70, 9,968.85 and 4,080.82

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Solution

The fourth proportional to 7,224.70, 9,968.85 and 4,080.82 is: 5,630.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,224.70 : 9,968.85 = 4,080.82 : x
  2. Step 2: Convert to fraction form
    7,224.70/9,968.85 = 4,080.82/x
  3. Step 3: Cross multiply
    7,224.70x = 9,968.85 × 4,080.82
  4. Step 4: Simplify right side
    7,224.70x = 40,681,082.46
  5. Step 5: Solve for x
    x = 40,681,082.46/7,224.70
  6. Step 6: Final answer
    x = 5,630.83

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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.