Home / 7,207.20-9,944.24-4,062.78

Finding the Fourth Proportional to 7,207.20, 9,944.24 and 4,062.78

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Solution

The fourth proportional to 7,207.20, 9,944.24 and 4,062.78 is: 5,605.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.20 : 9,944.24 = 4,062.78 : x
  2. Step 2: Convert to fraction form
    7,207.20/9,944.24 = 4,062.78/x
  3. Step 3: Cross multiply
    7,207.20x = 9,944.24 × 4,062.78
  4. Step 4: Simplify right side
    7,207.20x = 40,401,239.07
  5. Step 5: Solve for x
    x = 40,401,239.07/7,207.20
  6. Step 6: Final answer
    x = 5,605.68

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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.