Home / 6,867.54-9,477.21-3,723.75

Finding the Fourth Proportional to 6,867.54, 9,477.21 and 3,723.75

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Solution

The fourth proportional to 6,867.54, 9,477.21 and 3,723.75 is: 5,138.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,867.54 : 9,477.21 = 3,723.75 : x
  2. Step 2: Convert to fraction form
    6,867.54/9,477.21 = 3,723.75/x
  3. Step 3: Cross multiply
    6,867.54x = 9,477.21 × 3,723.75
  4. Step 4: Simplify right side
    6,867.54x = 35,290,760.74
  5. Step 5: Solve for x
    x = 35,290,760.74/6,867.54
  6. Step 6: Final answer
    x = 5,138.78

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1.5x scale

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.