Home / 8,242.83-12,356.82-2,976.62

Finding the Fourth Proportional to 8,242.83, 12,356.82 and 2,976.62

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Solution

The fourth proportional to 8,242.83, 12,356.82 and 2,976.62 is: 4,462.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242.83 : 12,356.82 = 2,976.62 : x
  2. Step 2: Convert to fraction form
    8,242.83/12,356.82 = 2,976.62/x
  3. Step 3: Cross multiply
    8,242.83x = 12,356.82 × 2,976.62
  4. Step 4: Simplify right side
    8,242.83x = 36,781,495.76
  5. Step 5: Solve for x
    x = 36,781,495.76/8,242.83
  6. Step 6: Final answer
    x = 4,462.24

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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.