Home / 6,918.30-10,375.59-2,535.78

Finding the Fourth Proportional to 6,918.30, 10,375.59 and 2,535.78

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Solution

The fourth proportional to 6,918.30, 10,375.59 and 2,535.78 is: 3,802.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.30 : 10,375.59 = 2,535.78 : x
  2. Step 2: Convert to fraction form
    6,918.30/10,375.59 = 2,535.78/x
  3. Step 3: Cross multiply
    6,918.30x = 10,375.59 × 2,535.78
  4. Step 4: Simplify right side
    6,918.30x = 26,310,213.61
  5. Step 5: Solve for x
    x = 26,310,213.61/6,918.30
  6. Step 6: Final answer
    x = 3,802.99

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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.