Home / 7,744.39-10,687.25-4,207.61

Finding the Fourth Proportional to 7,744.39, 10,687.25 and 4,207.61

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Solution

The fourth proportional to 7,744.39, 10,687.25 and 4,207.61 is: 5,806.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,744.39 : 10,687.25 = 4,207.61 : x
  2. Step 2: Convert to fraction form
    7,744.39/10,687.25 = 4,207.61/x
  3. Step 3: Cross multiply
    7,744.39x = 10,687.25 × 4,207.61
  4. Step 4: Simplify right side
    7,744.39x = 44,967,817.21
  5. Step 5: Solve for x
    x = 44,967,817.21/7,744.39
  6. Step 6: Final answer
    x = 5,806.50

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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.