Home / 5,726.14-7,902.39-3,208.11

Finding the Fourth Proportional to 5,726.14, 7,902.39 and 3,208.11

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Solution

The fourth proportional to 5,726.14, 7,902.39 and 3,208.11 is: 4,427.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,726.14 : 7,902.39 = 3,208.11 : x
  2. Step 2: Convert to fraction form
    5,726.14/7,902.39 = 3,208.11/x
  3. Step 3: Cross multiply
    5,726.14x = 7,902.39 × 3,208.11
  4. Step 4: Simplify right side
    5,726.14x = 25,351,691.71
  5. Step 5: Solve for x
    x = 25,351,691.71/5,726.14
  6. Step 6: Final answer
    x = 4,427.36

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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.