Home / 8,971.78-13,456.61-2,398.48

Finding the Fourth Proportional to 8,971.78, 13,456.61 and 2,398.48

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Solution

The fourth proportional to 8,971.78, 13,456.61 and 2,398.48 is: 3,597.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.78 : 13,456.61 = 2,398.48 : x
  2. Step 2: Convert to fraction form
    8,971.78/13,456.61 = 2,398.48/x
  3. Step 3: Cross multiply
    8,971.78x = 13,456.61 × 2,398.48
  4. Step 4: Simplify right side
    8,971.78x = 32,275,342.67
  5. Step 5: Solve for x
    x = 32,275,342.67/8,971.78
  6. Step 6: Final answer
    x = 3,597.43

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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.