Home / 7,570.28-11,329.61-6,912.97

Finding the Fourth Proportional to 7,570.28, 11,329.61 and 6,912.97

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Solution

The fourth proportional to 7,570.28, 11,329.61 and 6,912.97 is: 10,345.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,570.28 : 11,329.61 = 6,912.97 : x
  2. Step 2: Convert to fraction form
    7,570.28/11,329.61 = 6,912.97/x
  3. Step 3: Cross multiply
    7,570.28x = 11,329.61 × 6,912.97
  4. Step 4: Simplify right side
    7,570.28x = 78,321,191.15
  5. Step 5: Solve for x
    x = 78,321,191.15/7,570.28
  6. Step 6: Final answer
    x = 10,345.87

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1.5x scale

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.