Home / 8,240.50-12,362.30-3,310.53

Finding the Fourth Proportional to 8,240.50, 12,362.30 and 3,310.53

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Solution

The fourth proportional to 8,240.50, 12,362.30 and 3,310.53 is: 4,966.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.50 : 12,362.30 = 3,310.53 : x
  2. Step 2: Convert to fraction form
    8,240.50/12,362.30 = 3,310.53/x
  3. Step 3: Cross multiply
    8,240.50x = 12,362.30 × 3,310.53
  4. Step 4: Simplify right side
    8,240.50x = 40,925,765.02
  5. Step 5: Solve for x
    x = 40,925,765.02/8,240.50
  6. Step 6: Final answer
    x = 4,966.42

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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.