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Finding the Fourth Proportional to 6,640.68, 9,961.01 and 1,710.28

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Solution

The fourth proportional to 6,640.68, 9,961.01 and 1,710.28 is: 2,565.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640.68 : 9,961.01 = 1,710.28 : x
  2. Step 2: Convert to fraction form
    6,640.68/9,961.01 = 1,710.28/x
  3. Step 3: Cross multiply
    6,640.68x = 9,961.01 × 1,710.28
  4. Step 4: Simplify right side
    6,640.68x = 17,036,116.18
  5. Step 5: Solve for x
    x = 17,036,116.18/6,640.68
  6. Step 6: Final answer
    x = 2,565.42

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Similar ratio
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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.