Home / 3,777.52-5,215.44-3,516.16

Finding the Fourth Proportional to 3,777.52, 5,215.44 and 3,516.16

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Solution

The fourth proportional to 3,777.52, 5,215.44 and 3,516.16 is: 4,854.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.52 : 5,215.44 = 3,516.16 : x
  2. Step 2: Convert to fraction form
    3,777.52/5,215.44 = 3,516.16/x
  3. Step 3: Cross multiply
    3,777.52x = 5,215.44 × 3,516.16
  4. Step 4: Simplify right side
    3,777.52x = 18,338,321.51
  5. Step 5: Solve for x
    x = 18,338,321.51/3,777.52
  6. Step 6: Final answer
    x = 4,854.59

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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.