Home / 4,083.56-5,638.49-3,137.86

Finding the Fourth Proportional to 4,083.56, 5,638.49 and 3,137.86

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Solution

The fourth proportional to 4,083.56, 5,638.49 and 3,137.86 is: 4,332.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.56 : 5,638.49 = 3,137.86 : x
  2. Step 2: Convert to fraction form
    4,083.56/5,638.49 = 3,137.86/x
  3. Step 3: Cross multiply
    4,083.56x = 5,638.49 × 3,137.86
  4. Step 4: Simplify right side
    4,083.56x = 17,692,798.88
  5. Step 5: Solve for x
    x = 17,692,798.88/4,083.56
  6. Step 6: Final answer
    x = 4,332.69

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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.