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Finding the Fourth Proportional to 6,666.44, 9,999.66 and 2,559.56

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Solution

The fourth proportional to 6,666.44, 9,999.66 and 2,559.56 is: 3,839.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666.44 : 9,999.66 = 2,559.56 : x
  2. Step 2: Convert to fraction form
    6,666.44/9,999.66 = 2,559.56/x
  3. Step 3: Cross multiply
    6,666.44x = 9,999.66 × 2,559.56
  4. Step 4: Simplify right side
    6,666.44x = 25,594,729.75
  5. Step 5: Solve for x
    x = 25,594,729.75/6,666.44
  6. Step 6: Final answer
    x = 3,839.34

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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.