Home / 4,081.77-6,122.79-1,160.29

Finding the Fourth Proportional to 4,081.77, 6,122.79 and 1,160.29

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Solution

The fourth proportional to 4,081.77, 6,122.79 and 1,160.29 is: 1,740.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.77 : 6,122.79 = 1,160.29 : x
  2. Step 2: Convert to fraction form
    4,081.77/6,122.79 = 1,160.29/x
  3. Step 3: Cross multiply
    4,081.77x = 6,122.79 × 1,160.29
  4. Step 4: Simplify right side
    4,081.77x = 7,104,212.01
  5. Step 5: Solve for x
    x = 7,104,212.01/4,081.77
  6. Step 6: Final answer
    x = 1,740.47

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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.