Home / 8,044.10-12,090.75-7,871.84

Finding the Fourth Proportional to 8,044.10, 12,090.75 and 7,871.84

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Solution

The fourth proportional to 8,044.10, 12,090.75 and 7,871.84 is: 11,831.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,044.10 : 12,090.75 = 7,871.84 : x
  2. Step 2: Convert to fraction form
    8,044.10/12,090.75 = 7,871.84/x
  3. Step 3: Cross multiply
    8,044.10x = 12,090.75 × 7,871.84
  4. Step 4: Simplify right side
    8,044.10x = 95,176,449.48
  5. Step 5: Solve for x
    x = 95,176,449.48/8,044.10
  6. Step 6: Final answer
    x = 11,831.83

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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.