Home / 5,129.13-7,694.43-1,617.94

Finding the Fourth Proportional to 5,129.13, 7,694.43 and 1,617.94

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Solution

The fourth proportional to 5,129.13, 7,694.43 and 1,617.94 is: 2,427.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129.13 : 7,694.43 = 1,617.94 : x
  2. Step 2: Convert to fraction form
    5,129.13/7,694.43 = 1,617.94/x
  3. Step 3: Cross multiply
    5,129.13x = 7,694.43 × 1,617.94
  4. Step 4: Simplify right side
    5,129.13x = 12,449,126.07
  5. Step 5: Solve for x
    x = 12,449,126.07/5,129.13
  6. Step 6: Final answer
    x = 2,427.14

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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.