Home / 4,825.75-7,237.75-1,538.10

Finding the Fourth Proportional to 4,825.75, 7,237.75 and 1,538.10

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Solution

The fourth proportional to 4,825.75, 7,237.75 and 1,538.10 is: 2,306.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,825.75 : 7,237.75 = 1,538.10 : x
  2. Step 2: Convert to fraction form
    4,825.75/7,237.75 = 1,538.10/x
  3. Step 3: Cross multiply
    4,825.75x = 7,237.75 × 1,538.10
  4. Step 4: Simplify right side
    4,825.75x = 11,132,383.28
  5. Step 5: Solve for x
    x = 11,132,383.28/4,825.75
  6. Step 6: Final answer
    x = 2,306.87

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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.