Home / 4,981.68-7,464-2,789.04

Finding the Fourth Proportional to 4,981.68, 7,464 and 2,789.04

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Solution

The fourth proportional to 4,981.68, 7,464 and 2,789.04 is: 4,178.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.68 : 7,464 = 2,789.04 : x
  2. Step 2: Convert to fraction form
    4,981.68/7,464 = 2,789.04/x
  3. Step 3: Cross multiply
    4,981.68x = 7,464 × 2,789.04
  4. Step 4: Simplify right side
    4,981.68x = 20,817,394.56
  5. Step 5: Solve for x
    x = 20,817,394.56/4,981.68
  6. Step 6: Final answer
    x = 4,178.79

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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.