Home / 6,921.84-10,375.02-3,635.28

Finding the Fourth Proportional to 6,921.84, 10,375.02 and 3,635.28

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Solution

The fourth proportional to 6,921.84, 10,375.02 and 3,635.28 is: 5,448.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.84 : 10,375.02 = 3,635.28 : x
  2. Step 2: Convert to fraction form
    6,921.84/10,375.02 = 3,635.28/x
  3. Step 3: Cross multiply
    6,921.84x = 10,375.02 × 3,635.28
  4. Step 4: Simplify right side
    6,921.84x = 37,716,102.71
  5. Step 5: Solve for x
    x = 37,716,102.71/6,921.84
  6. Step 6: Final answer
    x = 5,448.86

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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.