Home / 7,215.12-10,822.68-3,322.26

Finding the Fourth Proportional to 7,215.12, 10,822.68 and 3,322.26

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Solution

The fourth proportional to 7,215.12, 10,822.68 and 3,322.26 is: 4,983.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215.12 : 10,822.68 = 3,322.26 : x
  2. Step 2: Convert to fraction form
    7,215.12/10,822.68 = 3,322.26/x
  3. Step 3: Cross multiply
    7,215.12x = 10,822.68 × 3,322.26
  4. Step 4: Simplify right side
    7,215.12x = 35,955,756.86
  5. Step 5: Solve for x
    x = 35,955,756.86/7,215.12
  6. Step 6: Final answer
    x = 4,983.39

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Similar ratio
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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.