Home / 8,579.64-12,869.46-3,029.97

Finding the Fourth Proportional to 8,579.64, 12,869.46 and 3,029.97

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Solution

The fourth proportional to 8,579.64, 12,869.46 and 3,029.97 is: 4,544.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579.64 : 12,869.46 = 3,029.97 : x
  2. Step 2: Convert to fraction form
    8,579.64/12,869.46 = 3,029.97/x
  3. Step 3: Cross multiply
    8,579.64x = 12,869.46 × 3,029.97
  4. Step 4: Simplify right side
    8,579.64x = 38,994,077.72
  5. Step 5: Solve for x
    x = 38,994,077.72/8,579.64
  6. Step 6: Final answer
    x = 4,544.96

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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.