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Finding the Fourth Proportional to 5,579.88, 8,373.78 and 2,295.96

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Solution

The fourth proportional to 5,579.88, 8,373.78 and 2,295.96 is: 3,445.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.88 : 8,373.78 = 2,295.96 : x
  2. Step 2: Convert to fraction form
    5,579.88/8,373.78 = 2,295.96/x
  3. Step 3: Cross multiply
    5,579.88x = 8,373.78 × 2,295.96
  4. Step 4: Simplify right side
    5,579.88x = 19,225,863.93
  5. Step 5: Solve for x
    x = 19,225,863.93/5,579.88
  6. Step 6: Final answer
    x = 3,445.57

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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.