Home / 7,998.06-12,002.57-2,803.95

Finding the Fourth Proportional to 7,998.06, 12,002.57 and 2,803.95

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Solution

The fourth proportional to 7,998.06, 12,002.57 and 2,803.95 is: 4,207.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998.06 : 12,002.57 = 2,803.95 : x
  2. Step 2: Convert to fraction form
    7,998.06/12,002.57 = 2,803.95/x
  3. Step 3: Cross multiply
    7,998.06x = 12,002.57 × 2,803.95
  4. Step 4: Simplify right side
    7,998.06x = 33,654,592.13
  5. Step 5: Solve for x
    x = 33,654,592.13/7,998.06
  6. Step 6: Final answer
    x = 4,207.84

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1.5x scale

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.