Home / 4,758.20-7,138.50-3,842.08

Finding the Fourth Proportional to 4,758.20, 7,138.50 and 3,842.08

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Solution

The fourth proportional to 4,758.20, 7,138.50 and 3,842.08 is: 5,764.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.20 : 7,138.50 = 3,842.08 : x
  2. Step 2: Convert to fraction form
    4,758.20/7,138.50 = 3,842.08/x
  3. Step 3: Cross multiply
    4,758.20x = 7,138.50 × 3,842.08
  4. Step 4: Simplify right side
    4,758.20x = 27,426,688.08
  5. Step 5: Solve for x
    x = 27,426,688.08/4,758.20
  6. Step 6: Final answer
    x = 5,764.09

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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.