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Finding the Fourth Proportional to 6,495.71, 8,963.54 and 3,663.78

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Solution

The fourth proportional to 6,495.71, 8,963.54 and 3,663.78 is: 5,055.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,495.71 : 8,963.54 = 3,663.78 : x
  2. Step 2: Convert to fraction form
    6,495.71/8,963.54 = 3,663.78/x
  3. Step 3: Cross multiply
    6,495.71x = 8,963.54 × 3,663.78
  4. Step 4: Simplify right side
    6,495.71x = 32,840,400.39
  5. Step 5: Solve for x
    x = 32,840,400.39/6,495.71
  6. Step 6: Final answer
    x = 5,055.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.