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Finding the Fourth Proportional to 5,160.41, 7,736.51 and 2,388.39

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Solution

The fourth proportional to 5,160.41, 7,736.51 and 2,388.39 is: 3,580.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.41 : 7,736.51 = 2,388.39 : x
  2. Step 2: Convert to fraction form
    5,160.41/7,736.51 = 2,388.39/x
  3. Step 3: Cross multiply
    5,160.41x = 7,736.51 × 2,388.39
  4. Step 4: Simplify right side
    5,160.41x = 18,477,780.08
  5. Step 5: Solve for x
    x = 18,477,780.08/5,160.41
  6. Step 6: Final answer
    x = 3,580.68

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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.