Home / 6,247.62-8,619.12-3,729.18

Finding the Fourth Proportional to 6,247.62, 8,619.12 and 3,729.18

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Solution

The fourth proportional to 6,247.62, 8,619.12 and 3,729.18 is: 5,144.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247.62 : 8,619.12 = 3,729.18 : x
  2. Step 2: Convert to fraction form
    6,247.62/8,619.12 = 3,729.18/x
  3. Step 3: Cross multiply
    6,247.62x = 8,619.12 × 3,729.18
  4. Step 4: Simplify right side
    6,247.62x = 32,142,249.92
  5. Step 5: Solve for x
    x = 32,142,249.92/6,247.62
  6. Step 6: Final answer
    x = 5,144.72

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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.