Home / 6,731.55-9,289.83-5,610.61

Finding the Fourth Proportional to 6,731.55, 9,289.83 and 5,610.61

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Solution

The fourth proportional to 6,731.55, 9,289.83 and 5,610.61 is: 7,742.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,731.55 : 9,289.83 = 5,610.61 : x
  2. Step 2: Convert to fraction form
    6,731.55/9,289.83 = 5,610.61/x
  3. Step 3: Cross multiply
    6,731.55x = 9,289.83 × 5,610.61
  4. Step 4: Simplify right side
    6,731.55x = 52,121,645.75
  5. Step 5: Solve for x
    x = 52,121,645.75/6,731.55
  6. Step 6: Final answer
    x = 7,742.89

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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.