Home / 7,742.10-11,613.18-2,195.28

Finding the Fourth Proportional to 7,742.10, 11,613.18 and 2,195.28

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Solution

The fourth proportional to 7,742.10, 11,613.18 and 2,195.28 is: 3,292.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.10 : 11,613.18 = 2,195.28 : x
  2. Step 2: Convert to fraction form
    7,742.10/11,613.18 = 2,195.28/x
  3. Step 3: Cross multiply
    7,742.10x = 11,613.18 × 2,195.28
  4. Step 4: Simplify right side
    7,742.10x = 25,494,181.79
  5. Step 5: Solve for x
    x = 25,494,181.79/7,742.10
  6. Step 6: Final answer
    x = 3,292.93

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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.