Home / 6,845.88-9,447.39-3,820.98

Finding the Fourth Proportional to 6,845.88, 9,447.39 and 3,820.98

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Solution

The fourth proportional to 6,845.88, 9,447.39 and 3,820.98 is: 5,272.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,845.88 : 9,447.39 = 3,820.98 : x
  2. Step 2: Convert to fraction form
    6,845.88/9,447.39 = 3,820.98/x
  3. Step 3: Cross multiply
    6,845.88x = 9,447.39 × 3,820.98
  4. Step 4: Simplify right side
    6,845.88x = 36,098,288.24
  5. Step 5: Solve for x
    x = 36,098,288.24/6,845.88
  6. Step 6: Final answer
    x = 5,272.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.