Home / 3,864.16-5,328.61-3,306.48

Finding the Fourth Proportional to 3,864.16, 5,328.61 and 3,306.48

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Solution

The fourth proportional to 3,864.16, 5,328.61 and 3,306.48 is: 4,559.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.16 : 5,328.61 = 3,306.48 : x
  2. Step 2: Convert to fraction form
    3,864.16/5,328.61 = 3,306.48/x
  3. Step 3: Cross multiply
    3,864.16x = 5,328.61 × 3,306.48
  4. Step 4: Simplify right side
    3,864.16x = 17,618,942.39
  5. Step 5: Solve for x
    x = 17,618,942.39/3,864.16
  6. Step 6: Final answer
    x = 4,559.58

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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.