Home / 6,222.36-8,585.84-3,867.72

Finding the Fourth Proportional to 6,222.36, 8,585.84 and 3,867.72

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Solution

The fourth proportional to 6,222.36, 8,585.84 and 3,867.72 is: 5,336.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,222.36 : 8,585.84 = 3,867.72 : x
  2. Step 2: Convert to fraction form
    6,222.36/8,585.84 = 3,867.72/x
  3. Step 3: Cross multiply
    6,222.36x = 8,585.84 × 3,867.72
  4. Step 4: Simplify right side
    6,222.36x = 33,207,625.08
  5. Step 5: Solve for x
    x = 33,207,625.08/6,222.36
  6. Step 6: Final answer
    x = 5,336.82

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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.