Home / 8,286.95-12,430.46-3,356.69

Finding the Fourth Proportional to 8,286.95, 12,430.46 and 3,356.69

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Solution

The fourth proportional to 8,286.95, 12,430.46 and 3,356.69 is: 5,035.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.95 : 12,430.46 = 3,356.69 : x
  2. Step 2: Convert to fraction form
    8,286.95/12,430.46 = 3,356.69/x
  3. Step 3: Cross multiply
    8,286.95x = 12,430.46 × 3,356.69
  4. Step 4: Simplify right side
    8,286.95x = 41,725,147.02
  5. Step 5: Solve for x
    x = 41,725,147.02/8,286.95
  6. Step 6: Final answer
    x = 5,035.04

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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.