Home / 7,153.06-10,721.67-2,766.91

Finding the Fourth Proportional to 7,153.06, 10,721.67 and 2,766.91

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Solution

The fourth proportional to 7,153.06, 10,721.67 and 2,766.91 is: 4,147.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.06 : 10,721.67 = 2,766.91 : x
  2. Step 2: Convert to fraction form
    7,153.06/10,721.67 = 2,766.91/x
  3. Step 3: Cross multiply
    7,153.06x = 10,721.67 × 2,766.91
  4. Step 4: Simplify right side
    7,153.06x = 29,665,895.94
  5. Step 5: Solve for x
    x = 29,665,895.94/7,153.06
  6. Step 6: Final answer
    x = 4,147.30

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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.