Home / 8,676.51-13,016.13-2,831.76

Finding the Fourth Proportional to 8,676.51, 13,016.13 and 2,831.76

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Solution

The fourth proportional to 8,676.51, 13,016.13 and 2,831.76 is: 4,248.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676.51 : 13,016.13 = 2,831.76 : x
  2. Step 2: Convert to fraction form
    8,676.51/13,016.13 = 2,831.76/x
  3. Step 3: Cross multiply
    8,676.51x = 13,016.13 × 2,831.76
  4. Step 4: Simplify right side
    8,676.51x = 36,858,556.29
  5. Step 5: Solve for x
    x = 36,858,556.29/8,676.51
  6. Step 6: Final answer
    x = 4,248.09

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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.