Home / 5,243.13-7,235.45-2,853.17

Finding the Fourth Proportional to 5,243.13, 7,235.45 and 2,853.17

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Solution

The fourth proportional to 5,243.13, 7,235.45 and 2,853.17 is: 3,937.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.13 : 7,235.45 = 2,853.17 : x
  2. Step 2: Convert to fraction form
    5,243.13/7,235.45 = 2,853.17/x
  3. Step 3: Cross multiply
    5,243.13x = 7,235.45 × 2,853.17
  4. Step 4: Simplify right side
    5,243.13x = 20,643,932.70
  5. Step 5: Solve for x
    x = 20,643,932.70/5,243.13
  6. Step 6: Final answer
    x = 3,937.33

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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.