Home / 4,992.24-7,488.36-2,218.20

Finding the Fourth Proportional to 4,992.24, 7,488.36 and 2,218.20

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Solution

The fourth proportional to 4,992.24, 7,488.36 and 2,218.20 is: 3,327.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.24 : 7,488.36 = 2,218.20 : x
  2. Step 2: Convert to fraction form
    4,992.24/7,488.36 = 2,218.20/x
  3. Step 3: Cross multiply
    4,992.24x = 7,488.36 × 2,218.20
  4. Step 4: Simplify right side
    4,992.24x = 16,610,680.15
  5. Step 5: Solve for x
    x = 16,610,680.15/4,992.24
  6. Step 6: Final answer
    x = 3,327.30

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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.