Home / 5,301.82-7,316.74-2,911.88

Finding the Fourth Proportional to 5,301.82, 7,316.74 and 2,911.88

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Solution

The fourth proportional to 5,301.82, 7,316.74 and 2,911.88 is: 4,018.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.82 : 7,316.74 = 2,911.88 : x
  2. Step 2: Convert to fraction form
    5,301.82/7,316.74 = 2,911.88/x
  3. Step 3: Cross multiply
    5,301.82x = 7,316.74 × 2,911.88
  4. Step 4: Simplify right side
    5,301.82x = 21,305,468.87
  5. Step 5: Solve for x
    x = 21,305,468.87/5,301.82
  6. Step 6: Final answer
    x = 4,018.52

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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.