Home / 5,150.98-7,719.08-2,805.86

Finding the Fourth Proportional to 5,150.98, 7,719.08 and 2,805.86

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Solution

The fourth proportional to 5,150.98, 7,719.08 and 2,805.86 is: 4,204.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.98 : 7,719.08 = 2,805.86 : x
  2. Step 2: Convert to fraction form
    5,150.98/7,719.08 = 2,805.86/x
  3. Step 3: Cross multiply
    5,150.98x = 7,719.08 × 2,805.86
  4. Step 4: Simplify right side
    5,150.98x = 21,658,657.81
  5. Step 5: Solve for x
    x = 21,658,657.81/5,150.98
  6. Step 6: Final answer
    x = 4,204.76

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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.