Home / 5,317.80-7,338.49-2,959.94

Finding the Fourth Proportional to 5,317.80, 7,338.49 and 2,959.94

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Solution

The fourth proportional to 5,317.80, 7,338.49 and 2,959.94 is: 4,084.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.80 : 7,338.49 = 2,959.94 : x
  2. Step 2: Convert to fraction form
    5,317.80/7,338.49 = 2,959.94/x
  3. Step 3: Cross multiply
    5,317.80x = 7,338.49 × 2,959.94
  4. Step 4: Simplify right side
    5,317.80x = 21,721,490.09
  5. Step 5: Solve for x
    x = 21,721,490.09/5,317.80
  6. Step 6: Final answer
    x = 4,084.68

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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.