Home / 7,619.16-11,429.25-2,939.22

Finding the Fourth Proportional to 7,619.16, 11,429.25 and 2,939.22

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Solution

The fourth proportional to 7,619.16, 11,429.25 and 2,939.22 is: 4,409.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.16 : 11,429.25 = 2,939.22 : x
  2. Step 2: Convert to fraction form
    7,619.16/11,429.25 = 2,939.22/x
  3. Step 3: Cross multiply
    7,619.16x = 11,429.25 × 2,939.22
  4. Step 4: Simplify right side
    7,619.16x = 33,593,080.19
  5. Step 5: Solve for x
    x = 33,593,080.19/7,619.16
  6. Step 6: Final answer
    x = 4,409.03

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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.