Home / 7,944.21-10,961.49-4,542.30

Finding the Fourth Proportional to 7,944.21, 10,961.49 and 4,542.30

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Solution

The fourth proportional to 7,944.21, 10,961.49 and 4,542.30 is: 6,267.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,944.21 : 10,961.49 = 4,542.30 : x
  2. Step 2: Convert to fraction form
    7,944.21/10,961.49 = 4,542.30/x
  3. Step 3: Cross multiply
    7,944.21x = 10,961.49 × 4,542.30
  4. Step 4: Simplify right side
    7,944.21x = 49,790,376.03
  5. Step 5: Solve for x
    x = 49,790,376.03/7,944.21
  6. Step 6: Final answer
    x = 6,267.51

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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.