Home / 5,257.52-7,886.48-1,747.83

Finding the Fourth Proportional to 5,257.52, 7,886.48 and 1,747.83

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Solution

The fourth proportional to 5,257.52, 7,886.48 and 1,747.83 is: 2,621.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.52 : 7,886.48 = 1,747.83 : x
  2. Step 2: Convert to fraction form
    5,257.52/7,886.48 = 1,747.83/x
  3. Step 3: Cross multiply
    5,257.52x = 7,886.48 × 1,747.83
  4. Step 4: Simplify right side
    5,257.52x = 13,784,217.60
  5. Step 5: Solve for x
    x = 13,784,217.60/5,257.52
  6. Step 6: Final answer
    x = 2,621.81

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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.