Home / 3,988.23-5,503.94-3,323.97

Finding the Fourth Proportional to 3,988.23, 5,503.94 and 3,323.97

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Solution

The fourth proportional to 3,988.23, 5,503.94 and 3,323.97 is: 4,587.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988.23 : 5,503.94 = 3,323.97 : x
  2. Step 2: Convert to fraction form
    3,988.23/5,503.94 = 3,323.97/x
  3. Step 3: Cross multiply
    3,988.23x = 5,503.94 × 3,323.97
  4. Step 4: Simplify right side
    3,988.23x = 18,294,914.82
  5. Step 5: Solve for x
    x = 18,294,914.82/3,988.23
  6. Step 6: Final answer
    x = 4,587.23

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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.