Home / 8,587.42-12,882.98-2,664.19

Finding the Fourth Proportional to 8,587.42, 12,882.98 and 2,664.19

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Solution

The fourth proportional to 8,587.42, 12,882.98 and 2,664.19 is: 3,996.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587.42 : 12,882.98 = 2,664.19 : x
  2. Step 2: Convert to fraction form
    8,587.42/12,882.98 = 2,664.19/x
  3. Step 3: Cross multiply
    8,587.42x = 12,882.98 × 2,664.19
  4. Step 4: Simplify right side
    8,587.42x = 34,322,706.49
  5. Step 5: Solve for x
    x = 34,322,706.49/8,587.42
  6. Step 6: Final answer
    x = 3,996.86

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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.