Home / 8,981.06-13,481.31-5,476.61

Finding the Fourth Proportional to 8,981.06, 13,481.31 and 5,476.61

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Solution

The fourth proportional to 8,981.06, 13,481.31 and 5,476.61 is: 8,220.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981.06 : 13,481.31 = 5,476.61 : x
  2. Step 2: Convert to fraction form
    8,981.06/13,481.31 = 5,476.61/x
  3. Step 3: Cross multiply
    8,981.06x = 13,481.31 × 5,476.61
  4. Step 4: Simplify right side
    8,981.06x = 73,831,877.16
  5. Step 5: Solve for x
    x = 73,831,877.16/8,981.06
  6. Step 6: Final answer
    x = 8,220.84

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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.