Home / 9,219.86-13,823.88-3,958.32

Finding the Fourth Proportional to 9,219.86, 13,823.88 and 3,958.32

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Solution

The fourth proportional to 9,219.86, 13,823.88 and 3,958.32 is: 5,934.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.86 : 13,823.88 = 3,958.32 : x
  2. Step 2: Convert to fraction form
    9,219.86/13,823.88 = 3,958.32/x
  3. Step 3: Cross multiply
    9,219.86x = 13,823.88 × 3,958.32
  4. Step 4: Simplify right side
    9,219.86x = 54,719,340.68
  5. Step 5: Solve for x
    x = 54,719,340.68/9,219.86
  6. Step 6: Final answer
    x = 5,934.94

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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.