Home / 7,613.64-11,412.63-3,456.54

Finding the Fourth Proportional to 7,613.64, 11,412.63 and 3,456.54

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Solution

The fourth proportional to 7,613.64, 11,412.63 and 3,456.54 is: 5,181.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,613.64 : 11,412.63 = 3,456.54 : x
  2. Step 2: Convert to fraction form
    7,613.64/11,412.63 = 3,456.54/x
  3. Step 3: Cross multiply
    7,613.64x = 11,412.63 × 3,456.54
  4. Step 4: Simplify right side
    7,613.64x = 39,448,212.10
  5. Step 5: Solve for x
    x = 39,448,212.10/7,613.64
  6. Step 6: Final answer
    x = 5,181.26

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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.