Home / 6,528.81-9,778.02-3,231.30

Finding the Fourth Proportional to 6,528.81, 9,778.02 and 3,231.30

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Solution

The fourth proportional to 6,528.81, 9,778.02 and 3,231.30 is: 4,839.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.81 : 9,778.02 = 3,231.30 : x
  2. Step 2: Convert to fraction form
    6,528.81/9,778.02 = 3,231.30/x
  3. Step 3: Cross multiply
    6,528.81x = 9,778.02 × 3,231.30
  4. Step 4: Simplify right side
    6,528.81x = 31,595,716.03
  5. Step 5: Solve for x
    x = 31,595,716.03/6,528.81
  6. Step 6: Final answer
    x = 4,839.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.