Home / 4,719.22-7,079.82-1,945.87

Finding the Fourth Proportional to 4,719.22, 7,079.82 and 1,945.87

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Solution

The fourth proportional to 4,719.22, 7,079.82 and 1,945.87 is: 2,919.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.22 : 7,079.82 = 1,945.87 : x
  2. Step 2: Convert to fraction form
    4,719.22/7,079.82 = 1,945.87/x
  3. Step 3: Cross multiply
    4,719.22x = 7,079.82 × 1,945.87
  4. Step 4: Simplify right side
    4,719.22x = 13,776,364.21
  5. Step 5: Solve for x
    x = 13,776,364.21/4,719.22
  6. Step 6: Final answer
    x = 2,919.21

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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.