Home / 7,887.45-11,837.04-3,728.73

Finding the Fourth Proportional to 7,887.45, 11,837.04 and 3,728.73

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Solution

The fourth proportional to 7,887.45, 11,837.04 and 3,728.73 is: 5,595.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.45 : 11,837.04 = 3,728.73 : x
  2. Step 2: Convert to fraction form
    7,887.45/11,837.04 = 3,728.73/x
  3. Step 3: Cross multiply
    7,887.45x = 11,837.04 × 3,728.73
  4. Step 4: Simplify right side
    7,887.45x = 44,137,126.16
  5. Step 5: Solve for x
    x = 44,137,126.16/7,887.45
  6. Step 6: Final answer
    x = 5,595.87

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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.