Home / 5,515.54-7,613.64-3,837.92

Finding the Fourth Proportional to 5,515.54, 7,613.64 and 3,837.92

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Solution

The fourth proportional to 5,515.54, 7,613.64 and 3,837.92 is: 5,297.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.54 : 7,613.64 = 3,837.92 : x
  2. Step 2: Convert to fraction form
    5,515.54/7,613.64 = 3,837.92/x
  3. Step 3: Cross multiply
    5,515.54x = 7,613.64 × 3,837.92
  4. Step 4: Simplify right side
    5,515.54x = 29,220,541.23
  5. Step 5: Solve for x
    x = 29,220,541.23/5,515.54
  6. Step 6: Final answer
    x = 5,297.86

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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.