Home / 7,939.14-10,953.48-5,286.96

Finding the Fourth Proportional to 7,939.14, 10,953.48 and 5,286.96

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Solution

The fourth proportional to 7,939.14, 10,953.48 and 5,286.96 is: 7,294.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.14 : 10,953.48 = 5,286.96 : x
  2. Step 2: Convert to fraction form
    7,939.14/10,953.48 = 5,286.96/x
  3. Step 3: Cross multiply
    7,939.14x = 10,953.48 × 5,286.96
  4. Step 4: Simplify right side
    7,939.14x = 57,910,610.62
  5. Step 5: Solve for x
    x = 57,910,610.62/7,939.14
  6. Step 6: Final answer
    x = 7,294.32

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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.