Home / 8,236.90-12,343.13-4,329.46

Finding the Fourth Proportional to 8,236.90, 12,343.13 and 4,329.46

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Solution

The fourth proportional to 8,236.90, 12,343.13 and 4,329.46 is: 6,487.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.90 : 12,343.13 = 4,329.46 : x
  2. Step 2: Convert to fraction form
    8,236.90/12,343.13 = 4,329.46/x
  3. Step 3: Cross multiply
    8,236.90x = 12,343.13 × 4,329.46
  4. Step 4: Simplify right side
    8,236.90x = 53,439,004.25
  5. Step 5: Solve for x
    x = 53,439,004.25/8,236.90
  6. Step 6: Final answer
    x = 6,487.76

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1.5x scale

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.