Home / 6,907.13-10,348.40-3,979.38

Finding the Fourth Proportional to 6,907.13, 10,348.40 and 3,979.38

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Solution

The fourth proportional to 6,907.13, 10,348.40 and 3,979.38 is: 5,961.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,907.13 : 10,348.40 = 3,979.38 : x
  2. Step 2: Convert to fraction form
    6,907.13/10,348.40 = 3,979.38/x
  3. Step 3: Cross multiply
    6,907.13x = 10,348.40 × 3,979.38
  4. Step 4: Simplify right side
    6,907.13x = 41,180,225.94
  5. Step 5: Solve for x
    x = 41,180,225.94/6,907.13
  6. Step 6: Final answer
    x = 5,961.99

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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.