Home / 5,247.25-7,872.23-1,960.37

Finding the Fourth Proportional to 5,247.25, 7,872.23 and 1,960.37

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Solution

The fourth proportional to 5,247.25, 7,872.23 and 1,960.37 is: 2,941.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.25 : 7,872.23 = 1,960.37 : x
  2. Step 2: Convert to fraction form
    5,247.25/7,872.23 = 1,960.37/x
  3. Step 3: Cross multiply
    5,247.25x = 7,872.23 × 1,960.37
  4. Step 4: Simplify right side
    5,247.25x = 15,432,434.36
  5. Step 5: Solve for x
    x = 15,432,434.36/5,247.25
  6. Step 6: Final answer
    x = 2,941.05

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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.