Home / 8,584.20-12,869.10-3,653.19

Finding the Fourth Proportional to 8,584.20, 12,869.10 and 3,653.19

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Solution

The fourth proportional to 8,584.20, 12,869.10 and 3,653.19 is: 5,476.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,584.20 : 12,869.10 = 3,653.19 : x
  2. Step 2: Convert to fraction form
    8,584.20/12,869.10 = 3,653.19/x
  3. Step 3: Cross multiply
    8,584.20x = 12,869.10 × 3,653.19
  4. Step 4: Simplify right side
    8,584.20x = 47,013,267.43
  5. Step 5: Solve for x
    x = 47,013,267.43/8,584.20
  6. Step 6: Final answer
    x = 5,476.72

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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.