Home / 7,998.42-12,000.12-2,733.57

Finding the Fourth Proportional to 7,998.42, 12,000.12 and 2,733.57

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Solution

The fourth proportional to 7,998.42, 12,000.12 and 2,733.57 is: 4,101.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998.42 : 12,000.12 = 2,733.57 : x
  2. Step 2: Convert to fraction form
    7,998.42/12,000.12 = 2,733.57/x
  3. Step 3: Cross multiply
    7,998.42x = 12,000.12 × 2,733.57
  4. Step 4: Simplify right side
    7,998.42x = 32,803,168.03
  5. Step 5: Solve for x
    x = 32,803,168.03/7,998.42
  6. Step 6: Final answer
    x = 4,101.21

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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.