Home / 9,320.40-13,984.52-5,163.28

Finding the Fourth Proportional to 9,320.40, 13,984.52 and 5,163.28

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Solution

The fourth proportional to 9,320.40, 13,984.52 and 5,163.28 is: 7,747.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.40 : 13,984.52 = 5,163.28 : x
  2. Step 2: Convert to fraction form
    9,320.40/13,984.52 = 5,163.28/x
  3. Step 3: Cross multiply
    9,320.40x = 13,984.52 × 5,163.28
  4. Step 4: Simplify right side
    9,320.40x = 72,205,992.43
  5. Step 5: Solve for x
    x = 72,205,992.43/9,320.40
  6. Step 6: Final answer
    x = 7,747.09

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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.