Home / 4,615.25-6,919.58-2,148.73

Finding the Fourth Proportional to 4,615.25, 6,919.58 and 2,148.73

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Solution

The fourth proportional to 4,615.25, 6,919.58 and 2,148.73 is: 3,221.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,615.25 : 6,919.58 = 2,148.73 : x
  2. Step 2: Convert to fraction form
    4,615.25/6,919.58 = 2,148.73/x
  3. Step 3: Cross multiply
    4,615.25x = 6,919.58 × 2,148.73
  4. Step 4: Simplify right side
    4,615.25x = 14,868,285.12
  5. Step 5: Solve for x
    x = 14,868,285.12/4,615.25
  6. Step 6: Final answer
    x = 3,221.55

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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.