Home / 8,252.96-12,376.32-2,986.58

Finding the Fourth Proportional to 8,252.96, 12,376.32 and 2,986.58

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Solution

The fourth proportional to 8,252.96, 12,376.32 and 2,986.58 is: 4,478.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252.96 : 12,376.32 = 2,986.58 : x
  2. Step 2: Convert to fraction form
    8,252.96/12,376.32 = 2,986.58/x
  3. Step 3: Cross multiply
    8,252.96x = 12,376.32 × 2,986.58
  4. Step 4: Simplify right side
    8,252.96x = 36,962,869.79
  5. Step 5: Solve for x
    x = 36,962,869.79/8,252.96
  6. Step 6: Final answer
    x = 4,478.74

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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.