Home / 5,732.48-7,908.36-3,842.12

Finding the Fourth Proportional to 5,732.48, 7,908.36 and 3,842.12

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Solution

The fourth proportional to 5,732.48, 7,908.36 and 3,842.12 is: 5,300.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,732.48 : 7,908.36 = 3,842.12 : x
  2. Step 2: Convert to fraction form
    5,732.48/7,908.36 = 3,842.12/x
  3. Step 3: Cross multiply
    5,732.48x = 7,908.36 × 3,842.12
  4. Step 4: Simplify right side
    5,732.48x = 30,384,868.12
  5. Step 5: Solve for x
    x = 30,384,868.12/5,732.48
  6. Step 6: Final answer
    x = 5,300.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.