Home / 5,290.06-7,933.78-2,170.95

Finding the Fourth Proportional to 5,290.06, 7,933.78 and 2,170.95

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Solution

The fourth proportional to 5,290.06, 7,933.78 and 2,170.95 is: 3,255.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.06 : 7,933.78 = 2,170.95 : x
  2. Step 2: Convert to fraction form
    5,290.06/7,933.78 = 2,170.95/x
  3. Step 3: Cross multiply
    5,290.06x = 7,933.78 × 2,170.95
  4. Step 4: Simplify right side
    5,290.06x = 17,223,839.69
  5. Step 5: Solve for x
    x = 17,223,839.69/5,290.06
  6. Step 6: Final answer
    x = 3,255.89

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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.