Home / 7,079.24-9,769.46-3,892.67

Finding the Fourth Proportional to 7,079.24, 9,769.46 and 3,892.67

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Solution

The fourth proportional to 7,079.24, 9,769.46 and 3,892.67 is: 5,371.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.24 : 9,769.46 = 3,892.67 : x
  2. Step 2: Convert to fraction form
    7,079.24/9,769.46 = 3,892.67/x
  3. Step 3: Cross multiply
    7,079.24x = 9,769.46 × 3,892.67
  4. Step 4: Simplify right side
    7,079.24x = 38,029,235.01
  5. Step 5: Solve for x
    x = 38,029,235.01/7,079.24
  6. Step 6: Final answer
    x = 5,371.94

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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.