Home / 5,889.66-8,128.18-3,372.56

Finding the Fourth Proportional to 5,889.66, 8,128.18 and 3,372.56

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Solution

The fourth proportional to 5,889.66, 8,128.18 and 3,372.56 is: 4,654.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,889.66 : 8,128.18 = 3,372.56 : x
  2. Step 2: Convert to fraction form
    5,889.66/8,128.18 = 3,372.56/x
  3. Step 3: Cross multiply
    5,889.66x = 8,128.18 × 3,372.56
  4. Step 4: Simplify right side
    5,889.66x = 27,412,774.74
  5. Step 5: Solve for x
    x = 27,412,774.74/5,889.66
  6. Step 6: Final answer
    x = 4,654.39

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1.5x scale

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.