Home / 5,540.00-7,638.91-4,126.14

Finding the Fourth Proportional to 5,540.00, 7,638.91 and 4,126.14

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Solution

The fourth proportional to 5,540.00, 7,638.91 and 4,126.14 is: 5,689.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.00 : 7,638.91 = 4,126.14 : x
  2. Step 2: Convert to fraction form
    5,540.00/7,638.91 = 4,126.14/x
  3. Step 3: Cross multiply
    5,540.00x = 7,638.91 × 4,126.14
  4. Step 4: Simplify right side
    5,540.00x = 31,519,201.79
  5. Step 5: Solve for x
    x = 31,519,201.79/5,540.00
  6. Step 6: Final answer
    x = 5,689.39

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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.