Home / 8,135.67-11,228.51-4,949.96

Finding the Fourth Proportional to 8,135.67, 11,228.51 and 4,949.96

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Solution

The fourth proportional to 8,135.67, 11,228.51 and 4,949.96 is: 6,831.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,135.67 : 11,228.51 = 4,949.96 : x
  2. Step 2: Convert to fraction form
    8,135.67/11,228.51 = 4,949.96/x
  3. Step 3: Cross multiply
    8,135.67x = 11,228.51 × 4,949.96
  4. Step 4: Simplify right side
    8,135.67x = 55,580,594.47
  5. Step 5: Solve for x
    x = 55,580,594.47/8,135.67
  6. Step 6: Final answer
    x = 6,831.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.