Home / 8,148.43-12,223.70-2,305.19

Finding the Fourth Proportional to 8,148.43, 12,223.70 and 2,305.19

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Solution

The fourth proportional to 8,148.43, 12,223.70 and 2,305.19 is: 3,458.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.43 : 12,223.70 = 2,305.19 : x
  2. Step 2: Convert to fraction form
    8,148.43/12,223.70 = 2,305.19/x
  3. Step 3: Cross multiply
    8,148.43x = 12,223.70 × 2,305.19
  4. Step 4: Simplify right side
    8,148.43x = 28,177,951.00
  5. Step 5: Solve for x
    x = 28,177,951.00/8,148.43
  6. Step 6: Final answer
    x = 3,458.08

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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.