Home / 7,769.30-10,721.61-4,232.49

Finding the Fourth Proportional to 7,769.30, 10,721.61 and 4,232.49

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Solution

The fourth proportional to 7,769.30, 10,721.61 and 4,232.49 is: 5,840.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.30 : 10,721.61 = 4,232.49 : x
  2. Step 2: Convert to fraction form
    7,769.30/10,721.61 = 4,232.49/x
  3. Step 3: Cross multiply
    7,769.30x = 10,721.61 × 4,232.49
  4. Step 4: Simplify right side
    7,769.30x = 45,379,107.11
  5. Step 5: Solve for x
    x = 45,379,107.11/7,769.30
  6. Step 6: Final answer
    x = 5,840.83

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1.5x scale

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.