Home / 5,101.61-7,040.39-2,863.89

Finding the Fourth Proportional to 5,101.61, 7,040.39 and 2,863.89

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Solution

The fourth proportional to 5,101.61, 7,040.39 and 2,863.89 is: 3,952.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.61 : 7,040.39 = 2,863.89 : x
  2. Step 2: Convert to fraction form
    5,101.61/7,040.39 = 2,863.89/x
  3. Step 3: Cross multiply
    5,101.61x = 7,040.39 × 2,863.89
  4. Step 4: Simplify right side
    5,101.61x = 20,162,888.20
  5. Step 5: Solve for x
    x = 20,162,888.20/5,101.61
  6. Step 6: Final answer
    x = 3,952.26

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