Home / 6,385.32-9,579.48-1,942.92

Finding the Fourth Proportional to 6,385.32, 9,579.48 and 1,942.92

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Solution

The fourth proportional to 6,385.32, 9,579.48 and 1,942.92 is: 2,914.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385.32 : 9,579.48 = 1,942.92 : x
  2. Step 2: Convert to fraction form
    6,385.32/9,579.48 = 1,942.92/x
  3. Step 3: Cross multiply
    6,385.32x = 9,579.48 × 1,942.92
  4. Step 4: Simplify right side
    6,385.32x = 18,612,163.28
  5. Step 5: Solve for x
    x = 18,612,163.28/6,385.32
  6. Step 6: Final answer
    x = 2,914.84

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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.