Home / 5,682.36-7,839.45-3,557.03

Finding the Fourth Proportional to 5,682.36, 7,839.45 and 3,557.03

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Solution

The fourth proportional to 5,682.36, 7,839.45 and 3,557.03 is: 4,907.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,682.36 : 7,839.45 = 3,557.03 : x
  2. Step 2: Convert to fraction form
    5,682.36/7,839.45 = 3,557.03/x
  3. Step 3: Cross multiply
    5,682.36x = 7,839.45 × 3,557.03
  4. Step 4: Simplify right side
    5,682.36x = 27,885,119.64
  5. Step 5: Solve for x
    x = 27,885,119.64/5,682.36
  6. Step 6: Final answer
    x = 4,907.31

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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.