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Finding the Fourth Proportional to 5,081.48, 6,996.86 and 4,448.46

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Solution

The fourth proportional to 5,081.48, 6,996.86 and 4,448.46 is: 6,125.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.48 : 6,996.86 = 4,448.46 : x
  2. Step 2: Convert to fraction form
    5,081.48/6,996.86 = 4,448.46/x
  3. Step 3: Cross multiply
    5,081.48x = 6,996.86 × 4,448.46
  4. Step 4: Simplify right side
    5,081.48x = 31,125,297.54
  5. Step 5: Solve for x
    x = 31,125,297.54/5,081.48
  6. Step 6: Final answer
    x = 6,125.24

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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.