Home / 5,526.78-7,613.99-3,845.30

Finding the Fourth Proportional to 5,526.78, 7,613.99 and 3,845.30

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Solution

The fourth proportional to 5,526.78, 7,613.99 and 3,845.30 is: 5,297.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,526.78 : 7,613.99 = 3,845.30 : x
  2. Step 2: Convert to fraction form
    5,526.78/7,613.99 = 3,845.30/x
  3. Step 3: Cross multiply
    5,526.78x = 7,613.99 × 3,845.30
  4. Step 4: Simplify right side
    5,526.78x = 29,278,097.33
  5. Step 5: Solve for x
    x = 29,278,097.33/5,526.78
  6. Step 6: Final answer
    x = 5,297.49

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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.