Home / 4,078.31-6,118.27-1,304.77

Finding the Fourth Proportional to 4,078.31, 6,118.27 and 1,304.77

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Solution

The fourth proportional to 4,078.31, 6,118.27 and 1,304.77 is: 1,957.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.31 : 6,118.27 = 1,304.77 : x
  2. Step 2: Convert to fraction form
    4,078.31/6,118.27 = 1,304.77/x
  3. Step 3: Cross multiply
    4,078.31x = 6,118.27 × 1,304.77
  4. Step 4: Simplify right side
    4,078.31x = 7,982,935.15
  5. Step 5: Solve for x
    x = 7,982,935.15/4,078.31
  6. Step 6: Final answer
    x = 1,957.41

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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.