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Finding the Fourth Proportional to 6,617.94, 9,925.29 and 1,937.82

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Solution

The fourth proportional to 6,617.94, 9,925.29 and 1,937.82 is: 2,906.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617.94 : 9,925.29 = 1,937.82 : x
  2. Step 2: Convert to fraction form
    6,617.94/9,925.29 = 1,937.82/x
  3. Step 3: Cross multiply
    6,617.94x = 9,925.29 × 1,937.82
  4. Step 4: Simplify right side
    6,617.94x = 19,233,425.47
  5. Step 5: Solve for x
    x = 19,233,425.47/6,617.94
  6. Step 6: Final answer
    x = 2,906.26

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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.