Home / 5,327.17-7,991.66-1,628.57

Finding the Fourth Proportional to 5,327.17, 7,991.66 and 1,628.57

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Solution

The fourth proportional to 5,327.17, 7,991.66 and 1,628.57 is: 2,443.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.17 : 7,991.66 = 1,628.57 : x
  2. Step 2: Convert to fraction form
    5,327.17/7,991.66 = 1,628.57/x
  3. Step 3: Cross multiply
    5,327.17x = 7,991.66 × 1,628.57
  4. Step 4: Simplify right side
    5,327.17x = 13,015,001.78
  5. Step 5: Solve for x
    x = 13,015,001.78/5,327.17
  6. Step 6: Final answer
    x = 2,443.14

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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.