Home / 5,399.52-8,097.23-2,112.21

Finding the Fourth Proportional to 5,399.52, 8,097.23 and 2,112.21

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Solution

The fourth proportional to 5,399.52, 8,097.23 and 2,112.21 is: 3,167.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.52 : 8,097.23 = 2,112.21 : x
  2. Step 2: Convert to fraction form
    5,399.52/8,097.23 = 2,112.21/x
  3. Step 3: Cross multiply
    5,399.52x = 8,097.23 × 2,112.21
  4. Step 4: Simplify right side
    5,399.52x = 17,103,050.18
  5. Step 5: Solve for x
    x = 17,103,050.18/5,399.52
  6. Step 6: Final answer
    x = 3,167.51

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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.