Home / 6,719.56-10,077.72-2,102.56

Finding the Fourth Proportional to 6,719.56, 10,077.72 and 2,102.56

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Solution

The fourth proportional to 6,719.56, 10,077.72 and 2,102.56 is: 3,153.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.56 : 10,077.72 = 2,102.56 : x
  2. Step 2: Convert to fraction form
    6,719.56/10,077.72 = 2,102.56/x
  3. Step 3: Cross multiply
    6,719.56x = 10,077.72 × 2,102.56
  4. Step 4: Simplify right side
    6,719.56x = 21,189,010.96
  5. Step 5: Solve for x
    x = 21,189,010.96/6,719.56
  6. Step 6: Final answer
    x = 3,153.33

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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.