Home / 6,286.14-9,429.22-2,585.78

Finding the Fourth Proportional to 6,286.14, 9,429.22 and 2,585.78

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Solution

The fourth proportional to 6,286.14, 9,429.22 and 2,585.78 is: 3,878.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.14 : 9,429.22 = 2,585.78 : x
  2. Step 2: Convert to fraction form
    6,286.14/9,429.22 = 2,585.78/x
  3. Step 3: Cross multiply
    6,286.14x = 9,429.22 × 2,585.78
  4. Step 4: Simplify right side
    6,286.14x = 24,381,905.60
  5. Step 5: Solve for x
    x = 24,381,905.60/6,286.14
  6. Step 6: Final answer
    x = 3,878.68

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.