Home / 8,570.92-12,863.66-3,380.44

Finding the Fourth Proportional to 8,570.92, 12,863.66 and 3,380.44

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Solution

The fourth proportional to 8,570.92, 12,863.66 and 3,380.44 is: 5,073.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,570.92 : 12,863.66 = 3,380.44 : x
  2. Step 2: Convert to fraction form
    8,570.92/12,863.66 = 3,380.44/x
  3. Step 3: Cross multiply
    8,570.92x = 12,863.66 × 3,380.44
  4. Step 4: Simplify right side
    8,570.92x = 43,484,830.81
  5. Step 5: Solve for x
    x = 43,484,830.81/8,570.92
  6. Step 6: Final answer
    x = 5,073.53

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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.