Home / 7,742.79-11,614.25-2,196.32

Finding the Fourth Proportional to 7,742.79, 11,614.25 and 2,196.32

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Solution

The fourth proportional to 7,742.79, 11,614.25 and 2,196.32 is: 3,294.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.79 : 11,614.25 = 2,196.32 : x
  2. Step 2: Convert to fraction form
    7,742.79/11,614.25 = 2,196.32/x
  3. Step 3: Cross multiply
    7,742.79x = 11,614.25 × 2,196.32
  4. Step 4: Simplify right side
    7,742.79x = 25,508,556.98
  5. Step 5: Solve for x
    x = 25,508,556.98/7,742.79
  6. Step 6: Final answer
    x = 3,294.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.