Home / 5,237.30-7,846.71-2,766.66

Finding the Fourth Proportional to 5,237.30, 7,846.71 and 2,766.66

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Solution

The fourth proportional to 5,237.30, 7,846.71 and 2,766.66 is: 4,145.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.30 : 7,846.71 = 2,766.66 : x
  2. Step 2: Convert to fraction form
    5,237.30/7,846.71 = 2,766.66/x
  3. Step 3: Cross multiply
    5,237.30x = 7,846.71 × 2,766.66
  4. Step 4: Simplify right side
    5,237.30x = 21,709,178.69
  5. Step 5: Solve for x
    x = 21,709,178.69/5,237.30
  6. Step 6: Final answer
    x = 4,145.11

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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.