Home / 7,213.32-10,816.92-2,215.08

Finding the Fourth Proportional to 7,213.32, 10,816.92 and 2,215.08

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Solution

The fourth proportional to 7,213.32, 10,816.92 and 2,215.08 is: 3,321.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.32 : 10,816.92 = 2,215.08 : x
  2. Step 2: Convert to fraction form
    7,213.32/10,816.92 = 2,215.08/x
  3. Step 3: Cross multiply
    7,213.32x = 10,816.92 × 2,215.08
  4. Step 4: Simplify right side
    7,213.32x = 23,960,343.15
  5. Step 5: Solve for x
    x = 23,960,343.15/7,213.32
  6. Step 6: Final answer
    x = 3,321.68

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1.5x scale

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.