Home / 8,917.46-13,378.41-2,677.58

Finding the Fourth Proportional to 8,917.46, 13,378.41 and 2,677.58

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Solution

The fourth proportional to 8,917.46, 13,378.41 and 2,677.58 is: 4,017.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917.46 : 13,378.41 = 2,677.58 : x
  2. Step 2: Convert to fraction form
    8,917.46/13,378.41 = 2,677.58/x
  3. Step 3: Cross multiply
    8,917.46x = 13,378.41 × 2,677.58
  4. Step 4: Simplify right side
    8,917.46x = 35,821,763.05
  5. Step 5: Solve for x
    x = 35,821,763.05/8,917.46
  6. Step 6: Final answer
    x = 4,017.04

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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.