Home / 6,215.34-9,320.13-3,619.02

Finding the Fourth Proportional to 6,215.34, 9,320.13 and 3,619.02

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Solution

The fourth proportional to 6,215.34, 9,320.13 and 3,619.02 is: 5,426.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,215.34 : 9,320.13 = 3,619.02 : x
  2. Step 2: Convert to fraction form
    6,215.34/9,320.13 = 3,619.02/x
  3. Step 3: Cross multiply
    6,215.34x = 9,320.13 × 3,619.02
  4. Step 4: Simplify right side
    6,215.34x = 33,729,736.87
  5. Step 5: Solve for x
    x = 33,729,736.87/6,215.34
  6. Step 6: Final answer
    x = 5,426.85

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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.