Home / 7,999.98-12,001.39-2,733.76

Finding the Fourth Proportional to 7,999.98, 12,001.39 and 2,733.76

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Solution

The fourth proportional to 7,999.98, 12,001.39 and 2,733.76 is: 4,101.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.98 : 12,001.39 = 2,733.76 : x
  2. Step 2: Convert to fraction form
    7,999.98/12,001.39 = 2,733.76/x
  3. Step 3: Cross multiply
    7,999.98x = 12,001.39 × 2,733.76
  4. Step 4: Simplify right side
    7,999.98x = 32,808,919.93
  5. Step 5: Solve for x
    x = 32,808,919.93/7,999.98
  6. Step 6: Final answer
    x = 4,101.13

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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.