Home / 6,918.28-10,375.02-3,586.78

Finding the Fourth Proportional to 6,918.28, 10,375.02 and 3,586.78

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Solution

The fourth proportional to 6,918.28, 10,375.02 and 3,586.78 is: 5,378.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.28 : 10,375.02 = 3,586.78 : x
  2. Step 2: Convert to fraction form
    6,918.28/10,375.02 = 3,586.78/x
  3. Step 3: Cross multiply
    6,918.28x = 10,375.02 × 3,586.78
  4. Step 4: Simplify right side
    6,918.28x = 37,212,914.24
  5. Step 5: Solve for x
    x = 37,212,914.24/6,918.28
  6. Step 6: Final answer
    x = 5,378.93

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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.