Home / 5,916.72-8,876.32-2,218.88

Finding the Fourth Proportional to 5,916.72, 8,876.32 and 2,218.88

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Solution

The fourth proportional to 5,916.72, 8,876.32 and 2,218.88 is: 3,328.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,916.72 : 8,876.32 = 2,218.88 : x
  2. Step 2: Convert to fraction form
    5,916.72/8,876.32 = 2,218.88/x
  3. Step 3: Cross multiply
    5,916.72x = 8,876.32 × 2,218.88
  4. Step 4: Simplify right side
    5,916.72x = 19,695,488.92
  5. Step 5: Solve for x
    x = 19,695,488.92/5,916.72
  6. Step 6: Final answer
    x = 3,328.79

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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.