Home / 8,541.47-12,817.97-2,994.86

Finding the Fourth Proportional to 8,541.47, 12,817.97 and 2,994.86

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Solution

The fourth proportional to 8,541.47, 12,817.97 and 2,994.86 is: 4,494.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.47 : 12,817.97 = 2,994.86 : x
  2. Step 2: Convert to fraction form
    8,541.47/12,817.97 = 2,994.86/x
  3. Step 3: Cross multiply
    8,541.47x = 12,817.97 × 2,994.86
  4. Step 4: Simplify right side
    8,541.47x = 38,388,010.66
  5. Step 5: Solve for x
    x = 38,388,010.66/8,541.47
  6. Step 6: Final answer
    x = 4,494.31

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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.