Home / 5,171.31-7,750.82-2,975.51

Finding the Fourth Proportional to 5,171.31, 7,750.82 and 2,975.51

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Solution

The fourth proportional to 5,171.31, 7,750.82 and 2,975.51 is: 4,459.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.31 : 7,750.82 = 2,975.51 : x
  2. Step 2: Convert to fraction form
    5,171.31/7,750.82 = 2,975.51/x
  3. Step 3: Cross multiply
    5,171.31x = 7,750.82 × 2,975.51
  4. Step 4: Simplify right side
    5,171.31x = 23,062,642.42
  5. Step 5: Solve for x
    x = 23,062,642.42/5,171.31
  6. Step 6: Final answer
    x = 4,459.73

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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.