Home / 4,805.78-7,199.32-2,719.47

Finding the Fourth Proportional to 4,805.78, 7,199.32 and 2,719.47

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Solution

The fourth proportional to 4,805.78, 7,199.32 and 2,719.47 is: 4,073.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.78 : 7,199.32 = 2,719.47 : x
  2. Step 2: Convert to fraction form
    4,805.78/7,199.32 = 2,719.47/x
  3. Step 3: Cross multiply
    4,805.78x = 7,199.32 × 2,719.47
  4. Step 4: Simplify right side
    4,805.78x = 19,578,327.96
  5. Step 5: Solve for x
    x = 19,578,327.96/4,805.78
  6. Step 6: Final answer
    x = 4,073.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.