Home / 8,236.28-12,357.12-3,307.16

Finding the Fourth Proportional to 8,236.28, 12,357.12 and 3,307.16

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Solution

The fourth proportional to 8,236.28, 12,357.12 and 3,307.16 is: 4,961.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.28 : 12,357.12 = 3,307.16 : x
  2. Step 2: Convert to fraction form
    8,236.28/12,357.12 = 3,307.16/x
  3. Step 3: Cross multiply
    8,236.28x = 12,357.12 × 3,307.16
  4. Step 4: Simplify right side
    8,236.28x = 40,866,972.98
  5. Step 5: Solve for x
    x = 40,866,972.98/8,236.28
  6. Step 6: Final answer
    x = 4,961.82

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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.