Home / 4,992.92-7,490.16-2,220.56

Finding the Fourth Proportional to 4,992.92, 7,490.16 and 2,220.56

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Solution

The fourth proportional to 4,992.92, 7,490.16 and 2,220.56 is: 3,331.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.92 : 7,490.16 = 2,220.56 : x
  2. Step 2: Convert to fraction form
    4,992.92/7,490.16 = 2,220.56/x
  3. Step 3: Cross multiply
    4,992.92x = 7,490.16 × 2,220.56
  4. Step 4: Simplify right side
    4,992.92x = 16,632,349.69
  5. Step 5: Solve for x
    x = 16,632,349.69/4,992.92
  6. Step 6: Final answer
    x = 3,331.19

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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.