Home / 8,720.23-13,076.25-3,169.66

Finding the Fourth Proportional to 8,720.23, 13,076.25 and 3,169.66

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Solution

The fourth proportional to 8,720.23, 13,076.25 and 3,169.66 is: 4,753.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720.23 : 13,076.25 = 3,169.66 : x
  2. Step 2: Convert to fraction form
    8,720.23/13,076.25 = 3,169.66/x
  3. Step 3: Cross multiply
    8,720.23x = 13,076.25 × 3,169.66
  4. Step 4: Simplify right side
    8,720.23x = 41,447,266.58
  5. Step 5: Solve for x
    x = 41,447,266.58/8,720.23
  6. Step 6: Final answer
    x = 4,753.00

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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.