Home / 7,744.20-10,689.62-5,224.68

Finding the Fourth Proportional to 7,744.20, 10,689.62 and 5,224.68

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Solution

The fourth proportional to 7,744.20, 10,689.62 and 5,224.68 is: 7,211.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,744.20 : 10,689.62 = 5,224.68 : x
  2. Step 2: Convert to fraction form
    7,744.20/10,689.62 = 5,224.68/x
  3. Step 3: Cross multiply
    7,744.20x = 10,689.62 × 5,224.68
  4. Step 4: Simplify right side
    7,744.20x = 55,849,843.82
  5. Step 5: Solve for x
    x = 55,849,843.82/7,744.20
  6. Step 6: Final answer
    x = 7,211.83

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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.