Home / 8,286.32-11,433.80-4,748.88

Finding the Fourth Proportional to 8,286.32, 11,433.80 and 4,748.88

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Solution

The fourth proportional to 8,286.32, 11,433.80 and 4,748.88 is: 6,552.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.32 : 11,433.80 = 4,748.88 : x
  2. Step 2: Convert to fraction form
    8,286.32/11,433.80 = 4,748.88/x
  3. Step 3: Cross multiply
    8,286.32x = 11,433.80 × 4,748.88
  4. Step 4: Simplify right side
    8,286.32x = 54,297,744.14
  5. Step 5: Solve for x
    x = 54,297,744.14/8,286.32
  6. Step 6: Final answer
    x = 6,552.70

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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.