Home / 8,635.08-12,949.86-2,790.34

Finding the Fourth Proportional to 8,635.08, 12,949.86 and 2,790.34

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Solution

The fourth proportional to 8,635.08, 12,949.86 and 2,790.34 is: 4,184.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.08 : 12,949.86 = 2,790.34 : x
  2. Step 2: Convert to fraction form
    8,635.08/12,949.86 = 2,790.34/x
  3. Step 3: Cross multiply
    8,635.08x = 12,949.86 × 2,790.34
  4. Step 4: Simplify right side
    8,635.08x = 36,134,512.35
  5. Step 5: Solve for x
    x = 36,134,512.35/8,635.08
  6. Step 6: Final answer
    x = 4,184.62

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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.