Home / 5,917.57-8,877.56-2,219.78

Finding the Fourth Proportional to 5,917.57, 8,877.56 and 2,219.78

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Solution

The fourth proportional to 5,917.57, 8,877.56 and 2,219.78 is: 3,330.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917.57 : 8,877.56 = 2,219.78 : x
  2. Step 2: Convert to fraction form
    5,917.57/8,877.56 = 2,219.78/x
  3. Step 3: Cross multiply
    5,917.57x = 8,877.56 × 2,219.78
  4. Step 4: Simplify right side
    5,917.57x = 19,706,230.14
  5. Step 5: Solve for x
    x = 19,706,230.14/5,917.57
  6. Step 6: Final answer
    x = 3,330.12

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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.