Home / 7,822.48-11,721.48-4,694.80

Finding the Fourth Proportional to 7,822.48, 11,721.48 and 4,694.80

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Solution

The fourth proportional to 7,822.48, 11,721.48 and 4,694.80 is: 7,034.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.48 : 11,721.48 = 4,694.80 : x
  2. Step 2: Convert to fraction form
    7,822.48/11,721.48 = 4,694.80/x
  3. Step 3: Cross multiply
    7,822.48x = 11,721.48 × 4,694.80
  4. Step 4: Simplify right side
    7,822.48x = 55,030,004.30
  5. Step 5: Solve for x
    x = 55,030,004.30/7,822.48
  6. Step 6: Final answer
    x = 7,034.85

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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.