Home / 4,716.68-7,073.12-1,428.59

Finding the Fourth Proportional to 4,716.68, 7,073.12 and 1,428.59

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Solution

The fourth proportional to 4,716.68, 7,073.12 and 1,428.59 is: 2,142.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,716.68 : 7,073.12 = 1,428.59 : x
  2. Step 2: Convert to fraction form
    4,716.68/7,073.12 = 1,428.59/x
  3. Step 3: Cross multiply
    4,716.68x = 7,073.12 × 1,428.59
  4. Step 4: Simplify right side
    4,716.68x = 10,104,569.97
  5. Step 5: Solve for x
    x = 10,104,569.97/4,716.68
  6. Step 6: Final answer
    x = 2,142.31

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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.