Home / 5,352.21-7,384.23-3,112.22

Finding the Fourth Proportional to 5,352.21, 7,384.23 and 3,112.22

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Solution

The fourth proportional to 5,352.21, 7,384.23 and 3,112.22 is: 4,293.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352.21 : 7,384.23 = 3,112.22 : x
  2. Step 2: Convert to fraction form
    5,352.21/7,384.23 = 3,112.22/x
  3. Step 3: Cross multiply
    5,352.21x = 7,384.23 × 3,112.22
  4. Step 4: Simplify right side
    5,352.21x = 22,981,366.75
  5. Step 5: Solve for x
    x = 22,981,366.75/5,352.21
  6. Step 6: Final answer
    x = 4,293.81

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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.