Home / 8,578.17-12,859.02-2,730.96

Finding the Fourth Proportional to 8,578.17, 12,859.02 and 2,730.96

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Solution

The fourth proportional to 8,578.17, 12,859.02 and 2,730.96 is: 4,093.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578.17 : 12,859.02 = 2,730.96 : x
  2. Step 2: Convert to fraction form
    8,578.17/12,859.02 = 2,730.96/x
  3. Step 3: Cross multiply
    8,578.17x = 12,859.02 × 2,730.96
  4. Step 4: Simplify right side
    8,578.17x = 35,117,469.26
  5. Step 5: Solve for x
    x = 35,117,469.26/8,578.17
  6. Step 6: Final answer
    x = 4,093.82

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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.