Home / 8,382.96-11,563.56-5,240.70

Finding the Fourth Proportional to 8,382.96, 11,563.56 and 5,240.70

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Solution

The fourth proportional to 8,382.96, 11,563.56 and 5,240.70 is: 7,229.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382.96 : 11,563.56 = 5,240.70 : x
  2. Step 2: Convert to fraction form
    8,382.96/11,563.56 = 5,240.70/x
  3. Step 3: Cross multiply
    8,382.96x = 11,563.56 × 5,240.70
  4. Step 4: Simplify right side
    8,382.96x = 60,601,148.89
  5. Step 5: Solve for x
    x = 60,601,148.89/8,382.96
  6. Step 6: Final answer
    x = 7,229.09

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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.