Home / 6,904.12-9,527.32-3,919.88

Finding the Fourth Proportional to 6,904.12, 9,527.32 and 3,919.88

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Solution

The fourth proportional to 6,904.12, 9,527.32 and 3,919.88 is: 5,409.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,904.12 : 9,527.32 = 3,919.88 : x
  2. Step 2: Convert to fraction form
    6,904.12/9,527.32 = 3,919.88/x
  3. Step 3: Cross multiply
    6,904.12x = 9,527.32 × 3,919.88
  4. Step 4: Simplify right side
    6,904.12x = 37,345,951.12
  5. Step 5: Solve for x
    x = 37,345,951.12/6,904.12
  6. Step 6: Final answer
    x = 5,409.23

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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.