Home / 8,587.53-12,882.51-2,742.84

Finding the Fourth Proportional to 8,587.53, 12,882.51 and 2,742.84

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Solution

The fourth proportional to 8,587.53, 12,882.51 and 2,742.84 is: 4,114.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587.53 : 12,882.51 = 2,742.84 : x
  2. Step 2: Convert to fraction form
    8,587.53/12,882.51 = 2,742.84/x
  3. Step 3: Cross multiply
    8,587.53x = 12,882.51 × 2,742.84
  4. Step 4: Simplify right side
    8,587.53x = 35,334,663.73
  5. Step 5: Solve for x
    x = 35,334,663.73/8,587.53
  6. Step 6: Final answer
    x = 4,114.65

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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.