Home / 5,236.29-7,857.12-2,895.85

Finding the Fourth Proportional to 5,236.29, 7,857.12 and 2,895.85

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Solution

The fourth proportional to 5,236.29, 7,857.12 and 2,895.85 is: 4,345.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.29 : 7,857.12 = 2,895.85 : x
  2. Step 2: Convert to fraction form
    5,236.29/7,857.12 = 2,895.85/x
  3. Step 3: Cross multiply
    5,236.29x = 7,857.12 × 2,895.85
  4. Step 4: Simplify right side
    5,236.29x = 22,753,040.95
  5. Step 5: Solve for x
    x = 22,753,040.95/5,236.29
  6. Step 6: Final answer
    x = 4,345.26

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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.