Home / 8,628.28-12,935.34-4,469.47

Finding the Fourth Proportional to 8,628.28, 12,935.34 and 4,469.47

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Solution

The fourth proportional to 8,628.28, 12,935.34 and 4,469.47 is: 6,700.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628.28 : 12,935.34 = 4,469.47 : x
  2. Step 2: Convert to fraction form
    8,628.28/12,935.34 = 4,469.47/x
  3. Step 3: Cross multiply
    8,628.28x = 12,935.34 × 4,469.47
  4. Step 4: Simplify right side
    8,628.28x = 57,814,081.73
  5. Step 5: Solve for x
    x = 57,814,081.73/8,628.28
  6. Step 6: Final answer
    x = 6,700.54

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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.