Home / 6,289.82-9,430.61-3,516.79

Finding the Fourth Proportional to 6,289.82, 9,430.61 and 3,516.79

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Solution

The fourth proportional to 6,289.82, 9,430.61 and 3,516.79 is: 5,272.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289.82 : 9,430.61 = 3,516.79 : x
  2. Step 2: Convert to fraction form
    6,289.82/9,430.61 = 3,516.79/x
  3. Step 3: Cross multiply
    6,289.82x = 9,430.61 × 3,516.79
  4. Step 4: Simplify right side
    6,289.82x = 33,165,471.25
  5. Step 5: Solve for x
    x = 33,165,471.25/6,289.82
  6. Step 6: Final answer
    x = 5,272.88

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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.