Home / 5,029.00-6,938.22-3,139.87

Finding the Fourth Proportional to 5,029.00, 6,938.22 and 3,139.87

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Solution

The fourth proportional to 5,029.00, 6,938.22 and 3,139.87 is: 4,331.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,029.00 : 6,938.22 = 3,139.87 : x
  2. Step 2: Convert to fraction form
    5,029.00/6,938.22 = 3,139.87/x
  3. Step 3: Cross multiply
    5,029.00x = 6,938.22 × 3,139.87
  4. Step 4: Simplify right side
    5,029.00x = 21,785,074.14
  5. Step 5: Solve for x
    x = 21,785,074.14/5,029.00
  6. Step 6: Final answer
    x = 4,331.89

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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.