Home / 8,248.32-12,374.04-3,318.36

Finding the Fourth Proportional to 8,248.32, 12,374.04 and 3,318.36

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Solution

The fourth proportional to 8,248.32, 12,374.04 and 3,318.36 is: 4,978.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248.32 : 12,374.04 = 3,318.36 : x
  2. Step 2: Convert to fraction form
    8,248.32/12,374.04 = 3,318.36/x
  3. Step 3: Cross multiply
    8,248.32x = 12,374.04 × 3,318.36
  4. Step 4: Simplify right side
    8,248.32x = 41,061,519.37
  5. Step 5: Solve for x
    x = 41,061,519.37/8,248.32
  6. Step 6: Final answer
    x = 4,978.17

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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.