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Finding the Fourth Proportional to 6,355.56, 9,527.04 and 2,660.34

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Solution

The fourth proportional to 6,355.56, 9,527.04 and 2,660.34 is: 3,987.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,355.56 : 9,527.04 = 2,660.34 : x
  2. Step 2: Convert to fraction form
    6,355.56/9,527.04 = 2,660.34/x
  3. Step 3: Cross multiply
    6,355.56x = 9,527.04 × 2,660.34
  4. Step 4: Simplify right side
    6,355.56x = 25,345,165.59
  5. Step 5: Solve for x
    x = 25,345,165.59/6,355.56
  6. Step 6: Final answer
    x = 3,987.87

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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.