Home / 5,117.55-7,664.00-2,919.62

Finding the Fourth Proportional to 5,117.55, 7,664.00 and 2,919.62

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Solution

The fourth proportional to 5,117.55, 7,664.00 and 2,919.62 is: 4,372.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.55 : 7,664.00 = 2,919.62 : x
  2. Step 2: Convert to fraction form
    5,117.55/7,664.00 = 2,919.62/x
  3. Step 3: Cross multiply
    5,117.55x = 7,664.00 × 2,919.62
  4. Step 4: Simplify right side
    5,117.55x = 22,375,914.76
  5. Step 5: Solve for x
    x = 22,375,914.76/5,117.55
  6. Step 6: Final answer
    x = 4,372.39

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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.