Home / 8,110.66-12,179.88-5,009.02

Finding the Fourth Proportional to 8,110.66, 12,179.88 and 5,009.02

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Solution

The fourth proportional to 8,110.66, 12,179.88 and 5,009.02 is: 7,522.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.66 : 12,179.88 = 5,009.02 : x
  2. Step 2: Convert to fraction form
    8,110.66/12,179.88 = 5,009.02/x
  3. Step 3: Cross multiply
    8,110.66x = 12,179.88 × 5,009.02
  4. Step 4: Simplify right side
    8,110.66x = 61,009,262.52
  5. Step 5: Solve for x
    x = 61,009,262.52/8,110.66
  6. Step 6: Final answer
    x = 7,522.11

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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.