Home / 6,964.11-9,611.33-3,979.53

Finding the Fourth Proportional to 6,964.11, 9,611.33 and 3,979.53

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Solution

The fourth proportional to 6,964.11, 9,611.33 and 3,979.53 is: 5,492.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,964.11 : 9,611.33 = 3,979.53 : x
  2. Step 2: Convert to fraction form
    6,964.11/9,611.33 = 3,979.53/x
  3. Step 3: Cross multiply
    6,964.11x = 9,611.33 × 3,979.53
  4. Step 4: Simplify right side
    6,964.11x = 38,248,556.18
  5. Step 5: Solve for x
    x = 38,248,556.18/6,964.11
  6. Step 6: Final answer
    x = 5,492.24

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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.