Home / 6,212.28-9,320.04-3,581.40

Finding the Fourth Proportional to 6,212.28, 9,320.04 and 3,581.40

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Solution

The fourth proportional to 6,212.28, 9,320.04 and 3,581.40 is: 5,373.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,212.28 : 9,320.04 = 3,581.40 : x
  2. Step 2: Convert to fraction form
    6,212.28/9,320.04 = 3,581.40/x
  3. Step 3: Cross multiply
    6,212.28x = 9,320.04 × 3,581.40
  4. Step 4: Simplify right side
    6,212.28x = 33,378,791.26
  5. Step 5: Solve for x
    x = 33,378,791.26/6,212.28
  6. Step 6: Final answer
    x = 5,373.03

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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.