Home / 5,571.26-7,686.60-3,213.08

Finding the Fourth Proportional to 5,571.26, 7,686.60 and 3,213.08

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Solution

The fourth proportional to 5,571.26, 7,686.60 and 3,213.08 is: 4,433.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571.26 : 7,686.60 = 3,213.08 : x
  2. Step 2: Convert to fraction form
    5,571.26/7,686.60 = 3,213.08/x
  3. Step 3: Cross multiply
    5,571.26x = 7,686.60 × 3,213.08
  4. Step 4: Simplify right side
    5,571.26x = 24,697,660.73
  5. Step 5: Solve for x
    x = 24,697,660.73/5,571.26
  6. Step 6: Final answer
    x = 4,433.05

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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.