Home / 5,519.14-7,615.82-3,280.30

Finding the Fourth Proportional to 5,519.14, 7,615.82 and 3,280.30

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Solution

The fourth proportional to 5,519.14, 7,615.82 and 3,280.30 is: 4,526.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.14 : 7,615.82 = 3,280.30 : x
  2. Step 2: Convert to fraction form
    5,519.14/7,615.82 = 3,280.30/x
  3. Step 3: Cross multiply
    5,519.14x = 7,615.82 × 3,280.30
  4. Step 4: Simplify right side
    5,519.14x = 24,982,163.51
  5. Step 5: Solve for x
    x = 24,982,163.51/5,519.14
  6. Step 6: Final answer
    x = 4,526.46

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1.5x scale

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.