Home / 5,243.62-7,865.85-1,348

Finding the Fourth Proportional to 5,243.62, 7,865.85 and 1,348

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Solution

The fourth proportional to 5,243.62, 7,865.85 and 1,348 is: 2,022.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.62 : 7,865.85 = 1,348 : x
  2. Step 2: Convert to fraction form
    5,243.62/7,865.85 = 1,348/x
  3. Step 3: Cross multiply
    5,243.62x = 7,865.85 × 1,348
  4. Step 4: Simplify right side
    5,243.62x = 10,603,165.80
  5. Step 5: Solve for x
    x = 10,603,165.80/5,243.62
  6. Step 6: Final answer
    x = 2,022.11

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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.