Home / 7,939.25-11,885.49-5,868.48

Finding the Fourth Proportional to 7,939.25, 11,885.49 and 5,868.48

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Solution

The fourth proportional to 7,939.25, 11,885.49 and 5,868.48 is: 8,785.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.25 : 11,885.49 = 5,868.48 : x
  2. Step 2: Convert to fraction form
    7,939.25/11,885.49 = 5,868.48/x
  3. Step 3: Cross multiply
    7,939.25x = 11,885.49 × 5,868.48
  4. Step 4: Simplify right side
    7,939.25x = 69,749,760.36
  5. Step 5: Solve for x
    x = 69,749,760.36/7,939.25
  6. Step 6: Final answer
    x = 8,785.44

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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.