Home / 8,386.92-12,569.52-3,450.84

Finding the Fourth Proportional to 8,386.92, 12,569.52 and 3,450.84

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Solution

The fourth proportional to 8,386.92, 12,569.52 and 3,450.84 is: 5,171.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386.92 : 12,569.52 = 3,450.84 : x
  2. Step 2: Convert to fraction form
    8,386.92/12,569.52 = 3,450.84/x
  3. Step 3: Cross multiply
    8,386.92x = 12,569.52 × 3,450.84
  4. Step 4: Simplify right side
    8,386.92x = 43,375,402.40
  5. Step 5: Solve for x
    x = 43,375,402.40/8,386.92
  6. Step 6: Final answer
    x = 5,171.79

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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.