Home / 4,803.23-7,191.86-2,489.87

Finding the Fourth Proportional to 4,803.23, 7,191.86 and 2,489.87

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Solution

The fourth proportional to 4,803.23, 7,191.86 and 2,489.87 is: 3,728.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,803.23 : 7,191.86 = 2,489.87 : x
  2. Step 2: Convert to fraction form
    4,803.23/7,191.86 = 2,489.87/x
  3. Step 3: Cross multiply
    4,803.23x = 7,191.86 × 2,489.87
  4. Step 4: Simplify right side
    4,803.23x = 17,906,748.05
  5. Step 5: Solve for x
    x = 17,906,748.05/4,803.23
  6. Step 6: Final answer
    x = 3,728.07

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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.