Home / 6,618.98-9,134.33-3,635

Finding the Fourth Proportional to 6,618.98, 9,134.33 and 3,635

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Solution

The fourth proportional to 6,618.98, 9,134.33 and 3,635 is: 5,016.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.98 : 9,134.33 = 3,635 : x
  2. Step 2: Convert to fraction form
    6,618.98/9,134.33 = 3,635/x
  3. Step 3: Cross multiply
    6,618.98x = 9,134.33 × 3,635
  4. Step 4: Simplify right side
    6,618.98x = 33,203,289.55
  5. Step 5: Solve for x
    x = 33,203,289.55/6,618.98
  6. Step 6: Final answer
    x = 5,016.38

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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.