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Finding the Fourth Proportional to 6,488.73, 8,954.10 and 3,656.25

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Solution

The fourth proportional to 6,488.73, 8,954.10 and 3,656.25 is: 5,045.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,488.73 : 8,954.10 = 3,656.25 : x
  2. Step 2: Convert to fraction form
    6,488.73/8,954.10 = 3,656.25/x
  3. Step 3: Cross multiply
    6,488.73x = 8,954.10 × 3,656.25
  4. Step 4: Simplify right side
    6,488.73x = 32,738,428.13
  5. Step 5: Solve for x
    x = 32,738,428.13/6,488.73
  6. Step 6: Final answer
    x = 5,045.43

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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.