Home / 8,669.25-13,001.70-2,427.65

Finding the Fourth Proportional to 8,669.25, 13,001.70 and 2,427.65

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Solution

The fourth proportional to 8,669.25, 13,001.70 and 2,427.65 is: 3,640.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.25 : 13,001.70 = 2,427.65 : x
  2. Step 2: Convert to fraction form
    8,669.25/13,001.70 = 2,427.65/x
  3. Step 3: Cross multiply
    8,669.25x = 13,001.70 × 2,427.65
  4. Step 4: Simplify right side
    8,669.25x = 31,563,512.00
  5. Step 5: Solve for x
    x = 31,563,512.00/8,669.25
  6. Step 6: Final answer
    x = 3,640.86

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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.