Home / 4,631.66-6,947.42-1,121.64

Finding the Fourth Proportional to 4,631.66, 6,947.42 and 1,121.64

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Solution

The fourth proportional to 4,631.66, 6,947.42 and 1,121.64 is: 1,682.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631.66 : 6,947.42 = 1,121.64 : x
  2. Step 2: Convert to fraction form
    4,631.66/6,947.42 = 1,121.64/x
  3. Step 3: Cross multiply
    4,631.66x = 6,947.42 × 1,121.64
  4. Step 4: Simplify right side
    4,631.66x = 7,792,504.17
  5. Step 5: Solve for x
    x = 7,792,504.17/4,631.66
  6. Step 6: Final answer
    x = 1,682.44

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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.