Home / 4,992.83-6,890.09-2,868.50

Finding the Fourth Proportional to 4,992.83, 6,890.09 and 2,868.50

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Solution

The fourth proportional to 4,992.83, 6,890.09 and 2,868.50 is: 3,958.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.83 : 6,890.09 = 2,868.50 : x
  2. Step 2: Convert to fraction form
    4,992.83/6,890.09 = 2,868.50/x
  3. Step 3: Cross multiply
    4,992.83x = 6,890.09 × 2,868.50
  4. Step 4: Simplify right side
    4,992.83x = 19,764,223.17
  5. Step 5: Solve for x
    x = 19,764,223.17/4,992.83
  6. Step 6: Final answer
    x = 3,958.52

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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.