Home / 7,974.25-11,004.05-6,087.15

Finding the Fourth Proportional to 7,974.25, 11,004.05 and 6,087.15

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Solution

The fourth proportional to 7,974.25, 11,004.05 and 6,087.15 is: 8,399.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.25 : 11,004.05 = 6,087.15 : x
  2. Step 2: Convert to fraction form
    7,974.25/11,004.05 = 6,087.15/x
  3. Step 3: Cross multiply
    7,974.25x = 11,004.05 × 6,087.15
  4. Step 4: Simplify right side
    7,974.25x = 66,983,318.18
  5. Step 5: Solve for x
    x = 66,983,318.18/7,974.25
  6. Step 6: Final answer
    x = 8,399.95

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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.