Home / 8,639.44-12,966.84-4,023.76

Finding the Fourth Proportional to 8,639.44, 12,966.84 and 4,023.76

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Solution

The fourth proportional to 8,639.44, 12,966.84 and 4,023.76 is: 6,039.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,639.44 : 12,966.84 = 4,023.76 : x
  2. Step 2: Convert to fraction form
    8,639.44/12,966.84 = 4,023.76/x
  3. Step 3: Cross multiply
    8,639.44x = 12,966.84 × 4,023.76
  4. Step 4: Simplify right side
    8,639.44x = 52,175,452.12
  5. Step 5: Solve for x
    x = 52,175,452.12/8,639.44
  6. Step 6: Final answer
    x = 6,039.22

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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.