Home / 6,986.27-9,640.89-3,799.52

Finding the Fourth Proportional to 6,986.27, 9,640.89 and 3,799.52

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Solution

The fourth proportional to 6,986.27, 9,640.89 and 3,799.52 is: 5,243.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.27 : 9,640.89 = 3,799.52 : x
  2. Step 2: Convert to fraction form
    6,986.27/9,640.89 = 3,799.52/x
  3. Step 3: Cross multiply
    6,986.27x = 9,640.89 × 3,799.52
  4. Step 4: Simplify right side
    6,986.27x = 36,630,754.37
  5. Step 5: Solve for x
    x = 36,630,754.37/6,986.27
  6. Step 6: Final answer
    x = 5,243.25

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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.