Home / 8,646.09-12,961.46-3,170.25

Finding the Fourth Proportional to 8,646.09, 12,961.46 and 3,170.25

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Solution

The fourth proportional to 8,646.09, 12,961.46 and 3,170.25 is: 4,752.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,646.09 : 12,961.46 = 3,170.25 : x
  2. Step 2: Convert to fraction form
    8,646.09/12,961.46 = 3,170.25/x
  3. Step 3: Cross multiply
    8,646.09x = 12,961.46 × 3,170.25
  4. Step 4: Simplify right side
    8,646.09x = 41,091,052.71
  5. Step 5: Solve for x
    x = 41,091,052.71/8,646.09
  6. Step 6: Final answer
    x = 4,752.56

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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.