Home / 8,441.18-12,661.78-2,285.18

Finding the Fourth Proportional to 8,441.18, 12,661.78 and 2,285.18

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Solution

The fourth proportional to 8,441.18, 12,661.78 and 2,285.18 is: 3,427.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,441.18 : 12,661.78 = 2,285.18 : x
  2. Step 2: Convert to fraction form
    8,441.18/12,661.78 = 2,285.18/x
  3. Step 3: Cross multiply
    8,441.18x = 12,661.78 × 2,285.18
  4. Step 4: Simplify right side
    8,441.18x = 28,934,446.42
  5. Step 5: Solve for x
    x = 28,934,446.42/8,441.18
  6. Step 6: Final answer
    x = 3,427.77

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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.