Home / 7,516.56-11,219.73-6,976.02

Finding the Fourth Proportional to 7,516.56, 11,219.73 and 6,976.02

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Solution

The fourth proportional to 7,516.56, 11,219.73 and 6,976.02 is: 10,412.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.56 : 11,219.73 = 6,976.02 : x
  2. Step 2: Convert to fraction form
    7,516.56/11,219.73 = 6,976.02/x
  3. Step 3: Cross multiply
    7,516.56x = 11,219.73 × 6,976.02
  4. Step 4: Simplify right side
    7,516.56x = 78,269,060.87
  5. Step 5: Solve for x
    x = 78,269,060.87/7,516.56
  6. Step 6: Final answer
    x = 10,412.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.