Home / 8,665.48-12,999.50-2,508.68

Finding the Fourth Proportional to 8,665.48, 12,999.50 and 2,508.68

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Solution

The fourth proportional to 8,665.48, 12,999.50 and 2,508.68 is: 3,763.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,665.48 : 12,999.50 = 2,508.68 : x
  2. Step 2: Convert to fraction form
    8,665.48/12,999.50 = 2,508.68/x
  3. Step 3: Cross multiply
    8,665.48x = 12,999.50 × 2,508.68
  4. Step 4: Simplify right side
    8,665.48x = 32,611,585.66
  5. Step 5: Solve for x
    x = 32,611,585.66/8,665.48
  6. Step 6: Final answer
    x = 3,763.39

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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.