Home / 5,231.50-7,844.07-2,459

Finding the Fourth Proportional to 5,231.50, 7,844.07 and 2,459

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Solution

The fourth proportional to 5,231.50, 7,844.07 and 2,459 is: 3,687.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.50 : 7,844.07 = 2,459 : x
  2. Step 2: Convert to fraction form
    5,231.50/7,844.07 = 2,459/x
  3. Step 3: Cross multiply
    5,231.50x = 7,844.07 × 2,459
  4. Step 4: Simplify right side
    5,231.50x = 19,288,568.13
  5. Step 5: Solve for x
    x = 19,288,568.13/5,231.50
  6. Step 6: Final answer
    x = 3,687.01

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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.