Home / 7,079.06-9,769.20-4,284.56

Finding the Fourth Proportional to 7,079.06, 9,769.20 and 4,284.56

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Solution

The fourth proportional to 7,079.06, 9,769.20 and 4,284.56 is: 5,912.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.06 : 9,769.20 = 4,284.56 : x
  2. Step 2: Convert to fraction form
    7,079.06/9,769.20 = 4,284.56/x
  3. Step 3: Cross multiply
    7,079.06x = 9,769.20 × 4,284.56
  4. Step 4: Simplify right side
    7,079.06x = 41,856,723.55
  5. Step 5: Solve for x
    x = 41,856,723.55/7,079.06
  6. Step 6: Final answer
    x = 5,912.75

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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.