Home / 4,107.52-6,155.45-3,178.75

Finding the Fourth Proportional to 4,107.52, 6,155.45 and 3,178.75

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Solution

The fourth proportional to 4,107.52, 6,155.45 and 3,178.75 is: 4,763.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,107.52 : 6,155.45 = 3,178.75 : x
  2. Step 2: Convert to fraction form
    4,107.52/6,155.45 = 3,178.75/x
  3. Step 3: Cross multiply
    4,107.52x = 6,155.45 × 3,178.75
  4. Step 4: Simplify right side
    4,107.52x = 19,566,664.00
  5. Step 5: Solve for x
    x = 19,566,664.00/4,107.52
  6. Step 6: Final answer
    x = 4,763.62

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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.