Home / 7,825.68-11,725.92-5,352.12

Finding the Fourth Proportional to 7,825.68, 11,725.92 and 5,352.12

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Solution

The fourth proportional to 7,825.68, 11,725.92 and 5,352.12 is: 8,019.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.68 : 11,725.92 = 5,352.12 : x
  2. Step 2: Convert to fraction form
    7,825.68/11,725.92 = 5,352.12/x
  3. Step 3: Cross multiply
    7,825.68x = 11,725.92 × 5,352.12
  4. Step 4: Simplify right side
    7,825.68x = 62,758,530.95
  5. Step 5: Solve for x
    x = 62,758,530.95/7,825.68
  6. Step 6: Final answer
    x = 8,019.56

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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.