Home / 4,749.38-7,124.06-1,286.63

Finding the Fourth Proportional to 4,749.38, 7,124.06 and 1,286.63

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Solution

The fourth proportional to 4,749.38, 7,124.06 and 1,286.63 is: 1,929.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.38 : 7,124.06 = 1,286.63 : x
  2. Step 2: Convert to fraction form
    4,749.38/7,124.06 = 1,286.63/x
  3. Step 3: Cross multiply
    4,749.38x = 7,124.06 × 1,286.63
  4. Step 4: Simplify right side
    4,749.38x = 9,165,996.91
  5. Step 5: Solve for x
    x = 9,165,996.91/4,749.38
  6. Step 6: Final answer
    x = 1,929.94

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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.