Home / 5,220.27-7,199.08-4,161.55

Finding the Fourth Proportional to 5,220.27, 7,199.08 and 4,161.55

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Solution

The fourth proportional to 5,220.27, 7,199.08 and 4,161.55 is: 5,739.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.27 : 7,199.08 = 4,161.55 : x
  2. Step 2: Convert to fraction form
    5,220.27/7,199.08 = 4,161.55/x
  3. Step 3: Cross multiply
    5,220.27x = 7,199.08 × 4,161.55
  4. Step 4: Simplify right side
    5,220.27x = 29,959,302.97
  5. Step 5: Solve for x
    x = 29,959,302.97/5,220.27
  6. Step 6: Final answer
    x = 5,739.03

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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.