Home / 4,739.82-7,109.73-1,277.07

Finding the Fourth Proportional to 4,739.82, 7,109.73 and 1,277.07

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Solution

The fourth proportional to 4,739.82, 7,109.73 and 1,277.07 is: 1,915.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.82 : 7,109.73 = 1,277.07 : x
  2. Step 2: Convert to fraction form
    4,739.82/7,109.73 = 1,277.07/x
  3. Step 3: Cross multiply
    4,739.82x = 7,109.73 × 1,277.07
  4. Step 4: Simplify right side
    4,739.82x = 9,079,622.89
  5. Step 5: Solve for x
    x = 9,079,622.89/4,739.82
  6. Step 6: Final answer
    x = 1,915.61

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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.