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Finding the Fourth Proportional to 6,641.65, 9,963.20 and 2,483.65

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Solution

The fourth proportional to 6,641.65, 9,963.20 and 2,483.65 is: 3,725.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,641.65 : 9,963.20 = 2,483.65 : x
  2. Step 2: Convert to fraction form
    6,641.65/9,963.20 = 2,483.65/x
  3. Step 3: Cross multiply
    6,641.65x = 9,963.20 × 2,483.65
  4. Step 4: Simplify right side
    6,641.65x = 24,745,101.68
  5. Step 5: Solve for x
    x = 24,745,101.68/6,641.65
  6. Step 6: Final answer
    x = 3,725.75

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1.5x scale

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.