Home / 4,890.49-7,335.67-1,192.75

Finding the Fourth Proportional to 4,890.49, 7,335.67 and 1,192.75

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Solution

The fourth proportional to 4,890.49, 7,335.67 and 1,192.75 is: 1,789.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.49 : 7,335.67 = 1,192.75 : x
  2. Step 2: Convert to fraction form
    4,890.49/7,335.67 = 1,192.75/x
  3. Step 3: Cross multiply
    4,890.49x = 7,335.67 × 1,192.75
  4. Step 4: Simplify right side
    4,890.49x = 8,749,620.39
  5. Step 5: Solve for x
    x = 8,749,620.39/4,890.49
  6. Step 6: Final answer
    x = 1,789.11

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Similar ratio
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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.