Home / 6,139.98-9,208.62-2,851.38

Finding the Fourth Proportional to 6,139.98, 9,208.62 and 2,851.38

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Solution

The fourth proportional to 6,139.98, 9,208.62 and 2,851.38 is: 4,276.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.98 : 9,208.62 = 2,851.38 : x
  2. Step 2: Convert to fraction form
    6,139.98/9,208.62 = 2,851.38/x
  3. Step 3: Cross multiply
    6,139.98x = 9,208.62 × 2,851.38
  4. Step 4: Simplify right side
    6,139.98x = 26,257,274.90
  5. Step 5: Solve for x
    x = 26,257,274.90/6,139.98
  6. Step 6: Final answer
    x = 4,276.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.