Home / 7,881.06-11,821.19-2,037.53

Finding the Fourth Proportional to 7,881.06, 11,821.19 and 2,037.53

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Solution

The fourth proportional to 7,881.06, 11,821.19 and 2,037.53 is: 3,056.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881.06 : 11,821.19 = 2,037.53 : x
  2. Step 2: Convert to fraction form
    7,881.06/11,821.19 = 2,037.53/x
  3. Step 3: Cross multiply
    7,881.06x = 11,821.19 × 2,037.53
  4. Step 4: Simplify right side
    7,881.06x = 24,085,959.97
  5. Step 5: Solve for x
    x = 24,085,959.97/7,881.06
  6. Step 6: Final answer
    x = 3,056.18

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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.