Home / 5,317.72-7,338.80-2,959.88

Finding the Fourth Proportional to 5,317.72, 7,338.80 and 2,959.88

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Solution

The fourth proportional to 5,317.72, 7,338.80 and 2,959.88 is: 4,084.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.72 : 7,338.80 = 2,959.88 : x
  2. Step 2: Convert to fraction form
    5,317.72/7,338.80 = 2,959.88/x
  3. Step 3: Cross multiply
    5,317.72x = 7,338.80 × 2,959.88
  4. Step 4: Simplify right side
    5,317.72x = 21,721,967.34
  5. Step 5: Solve for x
    x = 21,721,967.34/5,317.72
  6. Step 6: Final answer
    x = 4,084.83

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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.