Home / 7,742.08-11,613.11-2,195.47

Finding the Fourth Proportional to 7,742.08, 11,613.11 and 2,195.47

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Solution

The fourth proportional to 7,742.08, 11,613.11 and 2,195.47 is: 3,293.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.08 : 11,613.11 = 2,195.47 : x
  2. Step 2: Convert to fraction form
    7,742.08/11,613.11 = 2,195.47/x
  3. Step 3: Cross multiply
    7,742.08x = 11,613.11 × 2,195.47
  4. Step 4: Simplify right side
    7,742.08x = 25,496,224.01
  5. Step 5: Solve for x
    x = 25,496,224.01/7,742.08
  6. Step 6: Final answer
    x = 3,293.20

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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.