Home / 5,327.28-7,986.24-2,205.30

Finding the Fourth Proportional to 5,327.28, 7,986.24 and 2,205.30

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Solution

The fourth proportional to 5,327.28, 7,986.24 and 2,205.30 is: 3,306.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.28 : 7,986.24 = 2,205.30 : x
  2. Step 2: Convert to fraction form
    5,327.28/7,986.24 = 2,205.30/x
  3. Step 3: Cross multiply
    5,327.28x = 7,986.24 × 2,205.30
  4. Step 4: Simplify right side
    5,327.28x = 17,612,055.07
  5. Step 5: Solve for x
    x = 17,612,055.07/5,327.28
  6. Step 6: Final answer
    x = 3,306.01

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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.