Home / 5,494-7,581.32-3,135.68

Finding the Fourth Proportional to 5,494, 7,581.32 and 3,135.68

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Solution

The fourth proportional to 5,494, 7,581.32 and 3,135.68 is: 4,327.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,494 : 7,581.32 = 3,135.68 : x
  2. Step 2: Convert to fraction form
    5,494/7,581.32 = 3,135.68/x
  3. Step 3: Cross multiply
    5,494x = 7,581.32 × 3,135.68
  4. Step 4: Simplify right side
    5,494x = 23,772,593.50
  5. Step 5: Solve for x
    x = 23,772,593.50/5,494
  6. Step 6: Final answer
    x = 4,327.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.