Home / 5,480.27-8,222.47-3,290.53

Finding the Fourth Proportional to 5,480.27, 8,222.47 and 3,290.53

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Solution

The fourth proportional to 5,480.27, 8,222.47 and 3,290.53 is: 4,937.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.27 : 8,222.47 = 3,290.53 : x
  2. Step 2: Convert to fraction form
    5,480.27/8,222.47 = 3,290.53/x
  3. Step 3: Cross multiply
    5,480.27x = 8,222.47 × 3,290.53
  4. Step 4: Simplify right side
    5,480.27x = 27,056,243.10
  5. Step 5: Solve for x
    x = 27,056,243.10/5,480.27
  6. Step 6: Final answer
    x = 4,937.03

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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.