Home / 5,512.07-7,606.24-3,121.83

Finding the Fourth Proportional to 5,512.07, 7,606.24 and 3,121.83

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Solution

The fourth proportional to 5,512.07, 7,606.24 and 3,121.83 is: 4,307.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.07 : 7,606.24 = 3,121.83 : x
  2. Step 2: Convert to fraction form
    5,512.07/7,606.24 = 3,121.83/x
  3. Step 3: Cross multiply
    5,512.07x = 7,606.24 × 3,121.83
  4. Step 4: Simplify right side
    5,512.07x = 23,745,380.41
  5. Step 5: Solve for x
    x = 23,745,380.41/5,512.07
  6. Step 6: Final answer
    x = 4,307.89

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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.