Home / 7,744.28-10,687.33-4,387.57

Finding the Fourth Proportional to 7,744.28, 10,687.33 and 4,387.57

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Solution

The fourth proportional to 7,744.28, 10,687.33 and 4,387.57 is: 6,054.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,744.28 : 10,687.33 = 4,387.57 : x
  2. Step 2: Convert to fraction form
    7,744.28/10,687.33 = 4,387.57/x
  3. Step 3: Cross multiply
    7,744.28x = 10,687.33 × 4,387.57
  4. Step 4: Simplify right side
    7,744.28x = 46,891,355.05
  5. Step 5: Solve for x
    x = 46,891,355.05/7,744.28
  6. Step 6: Final answer
    x = 6,054.97

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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.