Home / 9,220.86-13,825.38-3,959.32

Finding the Fourth Proportional to 9,220.86, 13,825.38 and 3,959.32

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Solution

The fourth proportional to 9,220.86, 13,825.38 and 3,959.32 is: 5,936.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.86 : 13,825.38 = 3,959.32 : x
  2. Step 2: Convert to fraction form
    9,220.86/13,825.38 = 3,959.32/x
  3. Step 3: Cross multiply
    9,220.86x = 13,825.38 × 3,959.32
  4. Step 4: Simplify right side
    9,220.86x = 54,739,103.54
  5. Step 5: Solve for x
    x = 54,739,103.54/9,220.86
  6. Step 6: Final answer
    x = 5,936.44

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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.