Home / 5,291.25-7,935.97-2,480.37

Finding the Fourth Proportional to 5,291.25, 7,935.97 and 2,480.37

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Solution

The fourth proportional to 5,291.25, 7,935.97 and 2,480.37 is: 3,720.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.25 : 7,935.97 = 2,480.37 : x
  2. Step 2: Convert to fraction form
    5,291.25/7,935.97 = 2,480.37/x
  3. Step 3: Cross multiply
    5,291.25x = 7,935.97 × 2,480.37
  4. Step 4: Simplify right side
    5,291.25x = 19,684,135.71
  5. Step 5: Solve for x
    x = 19,684,135.71/5,291.25
  6. Step 6: Final answer
    x = 3,720.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.