Home / 4,747.72-7,120.20-1,825.33

Finding the Fourth Proportional to 4,747.72, 7,120.20 and 1,825.33

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Solution

The fourth proportional to 4,747.72, 7,120.20 and 1,825.33 is: 2,737.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.72 : 7,120.20 = 1,825.33 : x
  2. Step 2: Convert to fraction form
    4,747.72/7,120.20 = 1,825.33/x
  3. Step 3: Cross multiply
    4,747.72x = 7,120.20 × 1,825.33
  4. Step 4: Simplify right side
    4,747.72x = 12,996,679.07
  5. Step 5: Solve for x
    x = 12,996,679.07/4,747.72
  6. Step 6: Final answer
    x = 2,737.46

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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.