Home / 7,769.12-10,717.97-5,250.30

Finding the Fourth Proportional to 7,769.12, 10,717.97 and 5,250.30

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Solution

The fourth proportional to 7,769.12, 10,717.97 and 5,250.30 is: 7,243.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.12 : 10,717.97 = 5,250.30 : x
  2. Step 2: Convert to fraction form
    7,769.12/10,717.97 = 5,250.30/x
  3. Step 3: Cross multiply
    7,769.12x = 10,717.97 × 5,250.30
  4. Step 4: Simplify right side
    7,769.12x = 56,272,571.83
  5. Step 5: Solve for x
    x = 56,272,571.83/7,769.12
  6. Step 6: Final answer
    x = 7,243.11

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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.