Home / 6,128.46-9,189.45-2,232.54

Finding the Fourth Proportional to 6,128.46, 9,189.45 and 2,232.54

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Solution

The fourth proportional to 6,128.46, 9,189.45 and 2,232.54 is: 3,347.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128.46 : 9,189.45 = 2,232.54 : x
  2. Step 2: Convert to fraction form
    6,128.46/9,189.45 = 2,232.54/x
  3. Step 3: Cross multiply
    6,128.46x = 9,189.45 × 2,232.54
  4. Step 4: Simplify right side
    6,128.46x = 20,515,814.70
  5. Step 5: Solve for x
    x = 20,515,814.70/6,128.46
  6. Step 6: Final answer
    x = 3,347.63

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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.