Home / 5,081.81-6,997.31-4,448.79

Finding the Fourth Proportional to 5,081.81, 6,997.31 and 4,448.79

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Solution

The fourth proportional to 5,081.81, 6,997.31 and 4,448.79 is: 6,125.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.81 : 6,997.31 = 4,448.79 : x
  2. Step 2: Convert to fraction form
    5,081.81/6,997.31 = 4,448.79/x
  3. Step 3: Cross multiply
    5,081.81x = 6,997.31 × 4,448.79
  4. Step 4: Simplify right side
    5,081.81x = 31,129,540.51
  5. Step 5: Solve for x
    x = 31,129,540.51/5,081.81
  6. Step 6: Final answer
    x = 6,125.69

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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.