Home / 7,744.32-10,687.38-4,761.90

Finding the Fourth Proportional to 7,744.32, 10,687.38 and 4,761.90

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Solution

The fourth proportional to 7,744.32, 10,687.38 and 4,761.90 is: 6,571.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,744.32 : 10,687.38 = 4,761.90 : x
  2. Step 2: Convert to fraction form
    7,744.32/10,687.38 = 4,761.90/x
  3. Step 3: Cross multiply
    7,744.32x = 10,687.38 × 4,761.90
  4. Step 4: Simplify right side
    7,744.32x = 50,892,234.82
  5. Step 5: Solve for x
    x = 50,892,234.82/7,744.32
  6. Step 6: Final answer
    x = 6,571.56

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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.