Home / 4,758.27-7,134.90-2,784.57

Finding the Fourth Proportional to 4,758.27, 7,134.90 and 2,784.57

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Solution

The fourth proportional to 4,758.27, 7,134.90 and 2,784.57 is: 4,175.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.27 : 7,134.90 = 2,784.57 : x
  2. Step 2: Convert to fraction form
    4,758.27/7,134.90 = 2,784.57/x
  3. Step 3: Cross multiply
    4,758.27x = 7,134.90 × 2,784.57
  4. Step 4: Simplify right side
    4,758.27x = 19,867,628.49
  5. Step 5: Solve for x
    x = 19,867,628.49/4,758.27
  6. Step 6: Final answer
    x = 4,175.39

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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.