Home / 5,177.09-7,146-2,940.46

Finding the Fourth Proportional to 5,177.09, 7,146 and 2,940.46

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Solution

The fourth proportional to 5,177.09, 7,146 and 2,940.46 is: 4,058.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.09 : 7,146 = 2,940.46 : x
  2. Step 2: Convert to fraction form
    5,177.09/7,146 = 2,940.46/x
  3. Step 3: Cross multiply
    5,177.09x = 7,146 × 2,940.46
  4. Step 4: Simplify right side
    5,177.09x = 21,012,509.30
  5. Step 5: Solve for x
    x = 21,012,509.30/5,177.09
  6. Step 6: Final answer
    x = 4,058.75

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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.