Home / 5,179.23-7,146.81-2,941.29

Finding the Fourth Proportional to 5,179.23, 7,146.81 and 2,941.29

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Solution

The fourth proportional to 5,179.23, 7,146.81 and 2,941.29 is: 4,058.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.23 : 7,146.81 = 2,941.29 : x
  2. Step 2: Convert to fraction form
    5,179.23/7,146.81 = 2,941.29/x
  3. Step 3: Cross multiply
    5,179.23x = 7,146.81 × 2,941.29
  4. Step 4: Simplify right side
    5,179.23x = 21,020,840.78
  5. Step 5: Solve for x
    x = 21,020,840.78/5,179.23
  6. Step 6: Final answer
    x = 4,058.68

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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.