Home / 5,530-7,631.40-3,046.16

Finding the Fourth Proportional to 5,530, 7,631.40 and 3,046.16

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Solution

The fourth proportional to 5,530, 7,631.40 and 3,046.16 is: 4,203.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530 : 7,631.40 = 3,046.16 : x
  2. Step 2: Convert to fraction form
    5,530/7,631.40 = 3,046.16/x
  3. Step 3: Cross multiply
    5,530x = 7,631.40 × 3,046.16
  4. Step 4: Simplify right side
    5,530x = 23,246,465.42
  5. Step 5: Solve for x
    x = 23,246,465.42/5,530
  6. Step 6: Final answer
    x = 4,203.70

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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.