Home / 8,619.95-12,922.52-2,996.89

Finding the Fourth Proportional to 8,619.95, 12,922.52 and 2,996.89

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Solution

The fourth proportional to 8,619.95, 12,922.52 and 2,996.89 is: 4,492.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619.95 : 12,922.52 = 2,996.89 : x
  2. Step 2: Convert to fraction form
    8,619.95/12,922.52 = 2,996.89/x
  3. Step 3: Cross multiply
    8,619.95x = 12,922.52 × 2,996.89
  4. Step 4: Simplify right side
    8,619.95x = 38,727,340.53
  5. Step 5: Solve for x
    x = 38,727,340.53/8,619.95
  6. Step 6: Final answer
    x = 4,492.76

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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.