Home / 7,760.22-11,641.81-3,079.29

Finding the Fourth Proportional to 7,760.22, 11,641.81 and 3,079.29

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Solution

The fourth proportional to 7,760.22, 11,641.81 and 3,079.29 is: 4,619.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760.22 : 11,641.81 = 3,079.29 : x
  2. Step 2: Convert to fraction form
    7,760.22/11,641.81 = 3,079.29/x
  3. Step 3: Cross multiply
    7,760.22x = 11,641.81 × 3,079.29
  4. Step 4: Simplify right side
    7,760.22x = 35,848,509.11
  5. Step 5: Solve for x
    x = 35,848,509.11/7,760.22
  6. Step 6: Final answer
    x = 4,619.52

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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.