Home / 8,871.35-13,308.39-2,630.71

Finding the Fourth Proportional to 8,871.35, 13,308.39 and 2,630.71

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Solution

The fourth proportional to 8,871.35, 13,308.39 and 2,630.71 is: 3,946.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.35 : 13,308.39 = 2,630.71 : x
  2. Step 2: Convert to fraction form
    8,871.35/13,308.39 = 2,630.71/x
  3. Step 3: Cross multiply
    8,871.35x = 13,308.39 × 2,630.71
  4. Step 4: Simplify right side
    8,871.35x = 35,010,514.66
  5. Step 5: Solve for x
    x = 35,010,514.66/8,871.35
  6. Step 6: Final answer
    x = 3,946.47

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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.