Home / 8,103.28-12,133.04-5,475

Finding the Fourth Proportional to 8,103.28, 12,133.04 and 5,475

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Solution

The fourth proportional to 8,103.28, 12,133.04 and 5,475 is: 8,197.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103.28 : 12,133.04 = 5,475 : x
  2. Step 2: Convert to fraction form
    8,103.28/12,133.04 = 5,475/x
  3. Step 3: Cross multiply
    8,103.28x = 12,133.04 × 5,475
  4. Step 4: Simplify right side
    8,103.28x = 66,428,394.00
  5. Step 5: Solve for x
    x = 66,428,394.00/8,103.28
  6. Step 6: Final answer
    x = 8,197.72

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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.