Home / 8,159.29-12,212.46-4,405.85

Finding the Fourth Proportional to 8,159.29, 12,212.46 and 4,405.85

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Solution

The fourth proportional to 8,159.29, 12,212.46 and 4,405.85 is: 6,594.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159.29 : 12,212.46 = 4,405.85 : x
  2. Step 2: Convert to fraction form
    8,159.29/12,212.46 = 4,405.85/x
  3. Step 3: Cross multiply
    8,159.29x = 12,212.46 × 4,405.85
  4. Step 4: Simplify right side
    8,159.29x = 53,806,275.39
  5. Step 5: Solve for x
    x = 53,806,275.39/8,159.29
  6. Step 6: Final answer
    x = 6,594.48

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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.