Home / 6,616.08-9,129.96-3,631.86

Finding the Fourth Proportional to 6,616.08, 9,129.96 and 3,631.86

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Solution

The fourth proportional to 6,616.08, 9,129.96 and 3,631.86 is: 5,011.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,616.08 : 9,129.96 = 3,631.86 : x
  2. Step 2: Convert to fraction form
    6,616.08/9,129.96 = 3,631.86/x
  3. Step 3: Cross multiply
    6,616.08x = 9,129.96 × 3,631.86
  4. Step 4: Simplify right side
    6,616.08x = 33,158,736.53
  5. Step 5: Solve for x
    x = 33,158,736.53/6,616.08
  6. Step 6: Final answer
    x = 5,011.84

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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.