Home / 5,221.11-7,201.30-3,805.23

Finding the Fourth Proportional to 5,221.11, 7,201.30 and 3,805.23

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Solution

The fourth proportional to 5,221.11, 7,201.30 and 3,805.23 is: 5,248.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.11 : 7,201.30 = 3,805.23 : x
  2. Step 2: Convert to fraction form
    5,221.11/7,201.30 = 3,805.23/x
  3. Step 3: Cross multiply
    5,221.11x = 7,201.30 × 3,805.23
  4. Step 4: Simplify right side
    5,221.11x = 27,402,602.80
  5. Step 5: Solve for x
    x = 27,402,602.80/5,221.11
  6. Step 6: Final answer
    x = 5,248.42

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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.