Home / 7,287.28-10,926.72-3,581.44

Finding the Fourth Proportional to 7,287.28, 10,926.72 and 3,581.44

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Solution

The fourth proportional to 7,287.28, 10,926.72 and 3,581.44 is: 5,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.28 : 10,926.72 = 3,581.44 : x
  2. Step 2: Convert to fraction form
    7,287.28/10,926.72 = 3,581.44/x
  3. Step 3: Cross multiply
    7,287.28x = 10,926.72 × 3,581.44
  4. Step 4: Simplify right side
    7,287.28x = 39,133,392.08
  5. Step 5: Solve for x
    x = 39,133,392.08/7,287.28
  6. Step 6: Final answer
    x = 5,370.10

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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.