Home / 6,825.15-10,221.27-3,894.57

Finding the Fourth Proportional to 6,825.15, 10,221.27 and 3,894.57

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Solution

The fourth proportional to 6,825.15, 10,221.27 and 3,894.57 is: 5,832.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,825.15 : 10,221.27 = 3,894.57 : x
  2. Step 2: Convert to fraction form
    6,825.15/10,221.27 = 3,894.57/x
  3. Step 3: Cross multiply
    6,825.15x = 10,221.27 × 3,894.57
  4. Step 4: Simplify right side
    6,825.15x = 39,807,451.50
  5. Step 5: Solve for x
    x = 39,807,451.50/6,825.15
  6. Step 6: Final answer
    x = 5,832.47

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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.