Home / 5,278.28-7,917.44-2,941.83

Finding the Fourth Proportional to 5,278.28, 7,917.44 and 2,941.83

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Solution

The fourth proportional to 5,278.28, 7,917.44 and 2,941.83 is: 4,412.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278.28 : 7,917.44 = 2,941.83 : x
  2. Step 2: Convert to fraction form
    5,278.28/7,917.44 = 2,941.83/x
  3. Step 3: Cross multiply
    5,278.28x = 7,917.44 × 2,941.83
  4. Step 4: Simplify right side
    5,278.28x = 23,291,747.81
  5. Step 5: Solve for x
    x = 23,291,747.81/5,278.28
  6. Step 6: Final answer
    x = 4,412.76

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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.