Home / 5,251.31-7,246.83-2,893.40

Finding the Fourth Proportional to 5,251.31, 7,246.83 and 2,893.40

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Solution

The fourth proportional to 5,251.31, 7,246.83 and 2,893.40 is: 3,992.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.31 : 7,246.83 = 2,893.40 : x
  2. Step 2: Convert to fraction form
    5,251.31/7,246.83 = 2,893.40/x
  3. Step 3: Cross multiply
    5,251.31x = 7,246.83 × 2,893.40
  4. Step 4: Simplify right side
    5,251.31x = 20,968,006.89
  5. Step 5: Solve for x
    x = 20,968,006.89/5,251.31
  6. Step 6: Final answer
    x = 3,992.91

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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.