Home / 5,181.60-7,151.22-2,944.17

Finding the Fourth Proportional to 5,181.60, 7,151.22 and 2,944.17

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Solution

The fourth proportional to 5,181.60, 7,151.22 and 2,944.17 is: 4,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.60 : 7,151.22 = 2,944.17 : x
  2. Step 2: Convert to fraction form
    5,181.60/7,151.22 = 2,944.17/x
  3. Step 3: Cross multiply
    5,181.60x = 7,151.22 × 2,944.17
  4. Step 4: Simplify right side
    5,181.60x = 21,054,407.39
  5. Step 5: Solve for x
    x = 21,054,407.39/5,181.60
  6. Step 6: Final answer
    x = 4,063.30

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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.