Home / 8,458.43-12,680.35-4,069.85

Finding the Fourth Proportional to 8,458.43, 12,680.35 and 4,069.85

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Solution

The fourth proportional to 8,458.43, 12,680.35 and 4,069.85 is: 6,101.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.43 : 12,680.35 = 4,069.85 : x
  2. Step 2: Convert to fraction form
    8,458.43/12,680.35 = 4,069.85/x
  3. Step 3: Cross multiply
    8,458.43x = 12,680.35 × 4,069.85
  4. Step 4: Simplify right side
    8,458.43x = 51,607,048.87
  5. Step 5: Solve for x
    x = 51,607,048.87/8,458.43
  6. Step 6: Final answer
    x = 6,101.26

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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.