Home / 8,684.43-13,026.65-3,137.76

Finding the Fourth Proportional to 8,684.43, 13,026.65 and 3,137.76

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Solution

The fourth proportional to 8,684.43, 13,026.65 and 3,137.76 is: 4,706.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684.43 : 13,026.65 = 3,137.76 : x
  2. Step 2: Convert to fraction form
    8,684.43/13,026.65 = 3,137.76/x
  3. Step 3: Cross multiply
    8,684.43x = 13,026.65 × 3,137.76
  4. Step 4: Simplify right side
    8,684.43x = 40,874,501.30
  5. Step 5: Solve for x
    x = 40,874,501.30/8,684.43
  6. Step 6: Final answer
    x = 4,706.64

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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.