Home / 4,406.91-6,610.54-1,120.09

Finding the Fourth Proportional to 4,406.91, 6,610.54 and 1,120.09

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Solution

The fourth proportional to 4,406.91, 6,610.54 and 1,120.09 is: 1,680.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,406.91 : 6,610.54 = 1,120.09 : x
  2. Step 2: Convert to fraction form
    4,406.91/6,610.54 = 1,120.09/x
  3. Step 3: Cross multiply
    4,406.91x = 6,610.54 × 1,120.09
  4. Step 4: Simplify right side
    4,406.91x = 7,404,366.70
  5. Step 5: Solve for x
    x = 7,404,366.70/4,406.91
  6. Step 6: Final answer
    x = 1,680.17

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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.