Home / 6,639.74-9,960.52-2,256.02

Finding the Fourth Proportional to 6,639.74, 9,960.52 and 2,256.02

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Solution

The fourth proportional to 6,639.74, 9,960.52 and 2,256.02 is: 3,384.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.74 : 9,960.52 = 2,256.02 : x
  2. Step 2: Convert to fraction form
    6,639.74/9,960.52 = 2,256.02/x
  3. Step 3: Cross multiply
    6,639.74x = 9,960.52 × 2,256.02
  4. Step 4: Simplify right side
    6,639.74x = 22,471,132.33
  5. Step 5: Solve for x
    x = 22,471,132.33/6,639.74
  6. Step 6: Final answer
    x = 3,384.34

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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.