Home / 8,202.92-12,306.32-2,656.26

Finding the Fourth Proportional to 8,202.92, 12,306.32 and 2,656.26

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Solution

The fourth proportional to 8,202.92, 12,306.32 and 2,656.26 is: 3,985.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,202.92 : 12,306.32 = 2,656.26 : x
  2. Step 2: Convert to fraction form
    8,202.92/12,306.32 = 2,656.26/x
  3. Step 3: Cross multiply
    8,202.92x = 12,306.32 × 2,656.26
  4. Step 4: Simplify right side
    8,202.92x = 32,688,772.28
  5. Step 5: Solve for x
    x = 32,688,772.28/8,202.92
  6. Step 6: Final answer
    x = 3,985.02

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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.