Home / 4,862.81-7,288.07-3,107.14

Finding the Fourth Proportional to 4,862.81, 7,288.07 and 3,107.14

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Solution

The fourth proportional to 4,862.81, 7,288.07 and 3,107.14 is: 4,656.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,862.81 : 7,288.07 = 3,107.14 : x
  2. Step 2: Convert to fraction form
    4,862.81/7,288.07 = 3,107.14/x
  3. Step 3: Cross multiply
    4,862.81x = 7,288.07 × 3,107.14
  4. Step 4: Simplify right side
    4,862.81x = 22,645,020.06
  5. Step 5: Solve for x
    x = 22,645,020.06/4,862.81
  6. Step 6: Final answer
    x = 4,656.77

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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.