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Finding the Fourth Proportional to 6,654.79, 9,982.79 and 1,724.41

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Solution

The fourth proportional to 6,654.79, 9,982.79 and 1,724.41 is: 2,586.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,654.79 : 9,982.79 = 1,724.41 : x
  2. Step 2: Convert to fraction form
    6,654.79/9,982.79 = 1,724.41/x
  3. Step 3: Cross multiply
    6,654.79x = 9,982.79 × 1,724.41
  4. Step 4: Simplify right side
    6,654.79x = 17,214,422.90
  5. Step 5: Solve for x
    x = 17,214,422.90/6,654.79
  6. Step 6: Final answer
    x = 2,586.77

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1.5x scale

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.