Home / 8,568.18-12,859.56-6,109.02

Finding the Fourth Proportional to 8,568.18, 12,859.56 and 6,109.02

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Solution

The fourth proportional to 8,568.18, 12,859.56 and 6,109.02 is: 9,168.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568.18 : 12,859.56 = 6,109.02 : x
  2. Step 2: Convert to fraction form
    8,568.18/12,859.56 = 6,109.02/x
  3. Step 3: Cross multiply
    8,568.18x = 12,859.56 × 6,109.02
  4. Step 4: Simplify right side
    8,568.18x = 78,559,309.23
  5. Step 5: Solve for x
    x = 78,559,309.23/8,568.18
  6. Step 6: Final answer
    x = 9,168.73

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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.