Home / 8,246.32-12,372.20-3,314.80

Finding the Fourth Proportional to 8,246.32, 12,372.20 and 3,314.80

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Solution

The fourth proportional to 8,246.32, 12,372.20 and 3,314.80 is: 4,973.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,246.32 : 12,372.20 = 3,314.80 : x
  2. Step 2: Convert to fraction form
    8,246.32/12,372.20 = 3,314.80/x
  3. Step 3: Cross multiply
    8,246.32x = 12,372.20 × 3,314.80
  4. Step 4: Simplify right side
    8,246.32x = 41,011,368.56
  5. Step 5: Solve for x
    x = 41,011,368.56/8,246.32
  6. Step 6: Final answer
    x = 4,973.29

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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.