Home / 8,881.26-13,319.40-2,641.02

Finding the Fourth Proportional to 8,881.26, 13,319.40 and 2,641.02

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Solution

The fourth proportional to 8,881.26, 13,319.40 and 2,641.02 is: 3,960.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.26 : 13,319.40 = 2,641.02 : x
  2. Step 2: Convert to fraction form
    8,881.26/13,319.40 = 2,641.02/x
  3. Step 3: Cross multiply
    8,881.26x = 13,319.40 × 2,641.02
  4. Step 4: Simplify right side
    8,881.26x = 35,176,801.79
  5. Step 5: Solve for x
    x = 35,176,801.79/8,881.26
  6. Step 6: Final answer
    x = 3,960.79

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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.