Home / 4,257.03-6,388.02-1,791.69

Finding the Fourth Proportional to 4,257.03, 6,388.02 and 1,791.69

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Solution

The fourth proportional to 4,257.03, 6,388.02 and 1,791.69 is: 2,688.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.03 : 6,388.02 = 1,791.69 : x
  2. Step 2: Convert to fraction form
    4,257.03/6,388.02 = 1,791.69/x
  3. Step 3: Cross multiply
    4,257.03x = 6,388.02 × 1,791.69
  4. Step 4: Simplify right side
    4,257.03x = 11,445,351.55
  5. Step 5: Solve for x
    x = 11,445,351.55/4,257.03
  6. Step 6: Final answer
    x = 2,688.58

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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.