Home / 8,427.18-12,640.74-2,583.04

Finding the Fourth Proportional to 8,427.18, 12,640.74 and 2,583.04

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Solution

The fourth proportional to 8,427.18, 12,640.74 and 2,583.04 is: 3,874.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427.18 : 12,640.74 = 2,583.04 : x
  2. Step 2: Convert to fraction form
    8,427.18/12,640.74 = 2,583.04/x
  3. Step 3: Cross multiply
    8,427.18x = 12,640.74 × 2,583.04
  4. Step 4: Simplify right side
    8,427.18x = 32,651,537.05
  5. Step 5: Solve for x
    x = 32,651,537.05/8,427.18
  6. Step 6: Final answer
    x = 3,874.55

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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.