Home / 4,882.65-7,323.42-1,419.90

Finding the Fourth Proportional to 4,882.65, 7,323.42 and 1,419.90

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Solution

The fourth proportional to 4,882.65, 7,323.42 and 1,419.90 is: 2,129.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,882.65 : 7,323.42 = 1,419.90 : x
  2. Step 2: Convert to fraction form
    4,882.65/7,323.42 = 1,419.90/x
  3. Step 3: Cross multiply
    4,882.65x = 7,323.42 × 1,419.90
  4. Step 4: Simplify right side
    4,882.65x = 10,398,524.06
  5. Step 5: Solve for x
    x = 10,398,524.06/4,882.65
  6. Step 6: Final answer
    x = 2,129.69

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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.