Home / 7,218.20-10,832.18-2,538.24

Finding the Fourth Proportional to 7,218.20, 10,832.18 and 2,538.24

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Solution

The fourth proportional to 7,218.20, 10,832.18 and 2,538.24 is: 3,809.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.20 : 10,832.18 = 2,538.24 : x
  2. Step 2: Convert to fraction form
    7,218.20/10,832.18 = 2,538.24/x
  3. Step 3: Cross multiply
    7,218.20x = 10,832.18 × 2,538.24
  4. Step 4: Simplify right side
    7,218.20x = 27,494,659.87
  5. Step 5: Solve for x
    x = 27,494,659.87/7,218.20
  6. Step 6: Final answer
    x = 3,809.08

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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.