Home / 4,777.82-7,166.39-1,267.75

Finding the Fourth Proportional to 4,777.82, 7,166.39 and 1,267.75

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Solution

The fourth proportional to 4,777.82, 7,166.39 and 1,267.75 is: 1,901.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.82 : 7,166.39 = 1,267.75 : x
  2. Step 2: Convert to fraction form
    4,777.82/7,166.39 = 1,267.75/x
  3. Step 3: Cross multiply
    4,777.82x = 7,166.39 × 1,267.75
  4. Step 4: Simplify right side
    4,777.82x = 9,085,190.92
  5. Step 5: Solve for x
    x = 9,085,190.92/4,777.82
  6. Step 6: Final answer
    x = 1,901.53

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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.