Home / 8,650.90-12,976.55-3,104.62

Finding the Fourth Proportional to 8,650.90, 12,976.55 and 3,104.62

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Solution

The fourth proportional to 8,650.90, 12,976.55 and 3,104.62 is: 4,657.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650.90 : 12,976.55 = 3,104.62 : x
  2. Step 2: Convert to fraction form
    8,650.90/12,976.55 = 3,104.62/x
  3. Step 3: Cross multiply
    8,650.90x = 12,976.55 × 3,104.62
  4. Step 4: Simplify right side
    8,650.90x = 40,287,256.66
  5. Step 5: Solve for x
    x = 40,287,256.66/8,650.90
  6. Step 6: Final answer
    x = 4,657.00

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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.