Home / 4,115.04-5,677.26-2,786.64

Finding the Fourth Proportional to 4,115.04, 5,677.26 and 2,786.64

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Solution

The fourth proportional to 4,115.04, 5,677.26 and 2,786.64 is: 3,844.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.04 : 5,677.26 = 2,786.64 : x
  2. Step 2: Convert to fraction form
    4,115.04/5,677.26 = 2,786.64/x
  3. Step 3: Cross multiply
    4,115.04x = 5,677.26 × 2,786.64
  4. Step 4: Simplify right side
    4,115.04x = 15,820,479.81
  5. Step 5: Solve for x
    x = 15,820,479.81/4,115.04
  6. Step 6: Final answer
    x = 3,844.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.