Home / 8,634.47-12,945.78-3,010.68

Finding the Fourth Proportional to 8,634.47, 12,945.78 and 3,010.68

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Solution

The fourth proportional to 8,634.47, 12,945.78 and 3,010.68 is: 4,513.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.47 : 12,945.78 = 3,010.68 : x
  2. Step 2: Convert to fraction form
    8,634.47/12,945.78 = 3,010.68/x
  3. Step 3: Cross multiply
    8,634.47x = 12,945.78 × 3,010.68
  4. Step 4: Simplify right side
    8,634.47x = 38,975,600.93
  5. Step 5: Solve for x
    x = 38,975,600.93/8,634.47
  6. Step 6: Final answer
    x = 4,513.96

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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.