Home / 7,207.20-9,950.48-5,525.47

Finding the Fourth Proportional to 7,207.20, 9,950.48 and 5,525.47

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Solution

The fourth proportional to 7,207.20, 9,950.48 and 5,525.47 is: 7,628.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.20 : 9,950.48 = 5,525.47 : x
  2. Step 2: Convert to fraction form
    7,207.20/9,950.48 = 5,525.47/x
  3. Step 3: Cross multiply
    7,207.20x = 9,950.48 × 5,525.47
  4. Step 4: Simplify right side
    7,207.20x = 54,981,078.73
  5. Step 5: Solve for x
    x = 54,981,078.73/7,207.20
  6. Step 6: Final answer
    x = 7,628.63

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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.