Home / 4,254.40-6,384-1,791.52

Finding the Fourth Proportional to 4,254.40, 6,384 and 1,791.52

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Solution

The fourth proportional to 4,254.40, 6,384 and 1,791.52 is: 2,688.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.40 : 6,384 = 1,791.52 : x
  2. Step 2: Convert to fraction form
    4,254.40/6,384 = 1,791.52/x
  3. Step 3: Cross multiply
    4,254.40x = 6,384 × 1,791.52
  4. Step 4: Simplify right side
    4,254.40x = 11,437,063.68
  5. Step 5: Solve for x
    x = 11,437,063.68/4,254.40
  6. Step 6: Final answer
    x = 2,688.29

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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.