Home / 5,177.90-7,763.49-2,218.26

Finding the Fourth Proportional to 5,177.90, 7,763.49 and 2,218.26

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Solution

The fourth proportional to 5,177.90, 7,763.49 and 2,218.26 is: 3,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.90 : 7,763.49 = 2,218.26 : x
  2. Step 2: Convert to fraction form
    5,177.90/7,763.49 = 2,218.26/x
  3. Step 3: Cross multiply
    5,177.90x = 7,763.49 × 2,218.26
  4. Step 4: Simplify right side
    5,177.90x = 17,221,439.33
  5. Step 5: Solve for x
    x = 17,221,439.33/5,177.90
  6. Step 6: Final answer
    x = 3,325.95

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1.5x scale

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.