Home / 7,887.27-11,833.61-3,507.81

Finding the Fourth Proportional to 7,887.27, 11,833.61 and 3,507.81

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Solution

The fourth proportional to 7,887.27, 11,833.61 and 3,507.81 is: 5,262.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.27 : 11,833.61 = 3,507.81 : x
  2. Step 2: Convert to fraction form
    7,887.27/11,833.61 = 3,507.81/x
  3. Step 3: Cross multiply
    7,887.27x = 11,833.61 × 3,507.81
  4. Step 4: Simplify right side
    7,887.27x = 41,510,037.96
  5. Step 5: Solve for x
    x = 41,510,037.96/7,887.27
  6. Step 6: Final answer
    x = 5,262.92

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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.