Home / 8,660.28-12,992.58-3,466.02

Finding the Fourth Proportional to 8,660.28, 12,992.58 and 3,466.02

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Solution

The fourth proportional to 8,660.28, 12,992.58 and 3,466.02 is: 5,199.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,660.28 : 12,992.58 = 3,466.02 : x
  2. Step 2: Convert to fraction form
    8,660.28/12,992.58 = 3,466.02/x
  3. Step 3: Cross multiply
    8,660.28x = 12,992.58 × 3,466.02
  4. Step 4: Simplify right side
    8,660.28x = 45,032,542.13
  5. Step 5: Solve for x
    x = 45,032,542.13/8,660.28
  6. Step 6: Final answer
    x = 5,199.89

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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.