Home / 4,443.16-6,660.59-1,976.64

Finding the Fourth Proportional to 4,443.16, 6,660.59 and 1,976.64

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Solution

The fourth proportional to 4,443.16, 6,660.59 and 1,976.64 is: 2,963.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,443.16 : 6,660.59 = 1,976.64 : x
  2. Step 2: Convert to fraction form
    4,443.16/6,660.59 = 1,976.64/x
  3. Step 3: Cross multiply
    4,443.16x = 6,660.59 × 1,976.64
  4. Step 4: Simplify right side
    4,443.16x = 13,165,578.73
  5. Step 5: Solve for x
    x = 13,165,578.73/4,443.16
  6. Step 6: Final answer
    x = 2,963.11

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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.