Home / 7,715.63-11,568.25-6,236.64

Finding the Fourth Proportional to 7,715.63, 11,568.25 and 6,236.64

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Solution

The fourth proportional to 7,715.63, 11,568.25 and 6,236.64 is: 9,350.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715.63 : 11,568.25 = 6,236.64 : x
  2. Step 2: Convert to fraction form
    7,715.63/11,568.25 = 6,236.64/x
  3. Step 3: Cross multiply
    7,715.63x = 11,568.25 × 6,236.64
  4. Step 4: Simplify right side
    7,715.63x = 72,147,010.68
  5. Step 5: Solve for x
    x = 72,147,010.68/7,715.63
  6. Step 6: Final answer
    x = 9,350.76

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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.