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Finding the Fourth Proportional to 5,646.03, 7,791.71 and 3,754.32

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Solution

The fourth proportional to 5,646.03, 7,791.71 and 3,754.32 is: 5,181.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,646.03 : 7,791.71 = 3,754.32 : x
  2. Step 2: Convert to fraction form
    5,646.03/7,791.71 = 3,754.32/x
  3. Step 3: Cross multiply
    5,646.03x = 7,791.71 × 3,754.32
  4. Step 4: Simplify right side
    5,646.03x = 29,252,553.92
  5. Step 5: Solve for x
    x = 29,252,553.92/5,646.03
  6. Step 6: Final answer
    x = 5,181.08

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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.