Home / 5,080.91-7,622.08-1,571.21

Finding the Fourth Proportional to 5,080.91, 7,622.08 and 1,571.21

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Solution

The fourth proportional to 5,080.91, 7,622.08 and 1,571.21 is: 2,357.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.91 : 7,622.08 = 1,571.21 : x
  2. Step 2: Convert to fraction form
    5,080.91/7,622.08 = 1,571.21/x
  3. Step 3: Cross multiply
    5,080.91x = 7,622.08 × 1,571.21
  4. Step 4: Simplify right side
    5,080.91x = 11,975,846.28
  5. Step 5: Solve for x
    x = 11,975,846.28/5,080.91
  6. Step 6: Final answer
    x = 2,357.03

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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.