Home / 5,055.66-6,979.71-3,379.91

Finding the Fourth Proportional to 5,055.66, 6,979.71 and 3,379.91

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Solution

The fourth proportional to 5,055.66, 6,979.71 and 3,379.91 is: 4,666.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.66 : 6,979.71 = 3,379.91 : x
  2. Step 2: Convert to fraction form
    5,055.66/6,979.71 = 3,379.91/x
  3. Step 3: Cross multiply
    5,055.66x = 6,979.71 × 3,379.91
  4. Step 4: Simplify right side
    5,055.66x = 23,590,791.63
  5. Step 5: Solve for x
    x = 23,590,791.63/5,055.66
  6. Step 6: Final answer
    x = 4,666.21

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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.