Home / 4,895.96-7,345.22-2,122.00

Finding the Fourth Proportional to 4,895.96, 7,345.22 and 2,122.00

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Solution

The fourth proportional to 4,895.96, 7,345.22 and 2,122.00 is: 3,183.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,895.96 : 7,345.22 = 2,122.00 : x
  2. Step 2: Convert to fraction form
    4,895.96/7,345.22 = 2,122.00/x
  3. Step 3: Cross multiply
    4,895.96x = 7,345.22 × 2,122.00
  4. Step 4: Simplify right side
    4,895.96x = 15,586,527.87
  5. Step 5: Solve for x
    x = 15,586,527.87/4,895.96
  6. Step 6: Final answer
    x = 3,183.55

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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.