Home / 5,119.58-7,064.99-2,881.44

Finding the Fourth Proportional to 5,119.58, 7,064.99 and 2,881.44

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Solution

The fourth proportional to 5,119.58, 7,064.99 and 2,881.44 is: 3,976.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.58 : 7,064.99 = 2,881.44 : x
  2. Step 2: Convert to fraction form
    5,119.58/7,064.99 = 2,881.44/x
  3. Step 3: Cross multiply
    5,119.58x = 7,064.99 × 2,881.44
  4. Step 4: Simplify right side
    5,119.58x = 20,357,330.38
  5. Step 5: Solve for x
    x = 20,357,330.38/5,119.58
  6. Step 6: Final answer
    x = 3,976.37

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Half scale
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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.