Home / 8,744.32-12,067.38-4,765.72

Finding the Fourth Proportional to 8,744.32, 12,067.38 and 4,765.72

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Solution

The fourth proportional to 8,744.32, 12,067.38 and 4,765.72 is: 6,576.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744.32 : 12,067.38 = 4,765.72 : x
  2. Step 2: Convert to fraction form
    8,744.32/12,067.38 = 4,765.72/x
  3. Step 3: Cross multiply
    8,744.32x = 12,067.38 × 4,765.72
  4. Step 4: Simplify right side
    8,744.32x = 57,509,754.21
  5. Step 5: Solve for x
    x = 57,509,754.21/8,744.32
  6. Step 6: Final answer
    x = 6,576.81

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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.