Home / 8,391.66-12,585.30-2,546.70

Finding the Fourth Proportional to 8,391.66, 12,585.30 and 2,546.70

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Solution

The fourth proportional to 8,391.66, 12,585.30 and 2,546.70 is: 3,819.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,391.66 : 12,585.30 = 2,546.70 : x
  2. Step 2: Convert to fraction form
    8,391.66/12,585.30 = 2,546.70/x
  3. Step 3: Cross multiply
    8,391.66x = 12,585.30 × 2,546.70
  4. Step 4: Simplify right side
    8,391.66x = 32,050,983.51
  5. Step 5: Solve for x
    x = 32,050,983.51/8,391.66
  6. Step 6: Final answer
    x = 3,819.39

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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.