Home / 4,265.66-6,400.56-1,927.28

Finding the Fourth Proportional to 4,265.66, 6,400.56 and 1,927.28

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Solution

The fourth proportional to 4,265.66, 6,400.56 and 1,927.28 is: 2,891.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,265.66 : 6,400.56 = 1,927.28 : x
  2. Step 2: Convert to fraction form
    4,265.66/6,400.56 = 1,927.28/x
  3. Step 3: Cross multiply
    4,265.66x = 6,400.56 × 1,927.28
  4. Step 4: Simplify right side
    4,265.66x = 12,335,671.28
  5. Step 5: Solve for x
    x = 12,335,671.28/4,265.66
  6. Step 6: Final answer
    x = 2,891.86

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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.