Home / 8,084.65-12,126.98-2,889.49

Finding the Fourth Proportional to 8,084.65, 12,126.98 and 2,889.49

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Solution

The fourth proportional to 8,084.65, 12,126.98 and 2,889.49 is: 4,334.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084.65 : 12,126.98 = 2,889.49 : x
  2. Step 2: Convert to fraction form
    8,084.65/12,126.98 = 2,889.49/x
  3. Step 3: Cross multiply
    8,084.65x = 12,126.98 × 2,889.49
  4. Step 4: Simplify right side
    8,084.65x = 35,040,787.44
  5. Step 5: Solve for x
    x = 35,040,787.44/8,084.65
  6. Step 6: Final answer
    x = 4,334.24

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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.