Home / 4,744.36-7,110.60-2,278.72

Finding the Fourth Proportional to 4,744.36, 7,110.60 and 2,278.72

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Solution

The fourth proportional to 4,744.36, 7,110.60 and 2,278.72 is: 3,415.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,744.36 : 7,110.60 = 2,278.72 : x
  2. Step 2: Convert to fraction form
    4,744.36/7,110.60 = 2,278.72/x
  3. Step 3: Cross multiply
    4,744.36x = 7,110.60 × 2,278.72
  4. Step 4: Simplify right side
    4,744.36x = 16,203,066.43
  5. Step 5: Solve for x
    x = 16,203,066.43/4,744.36
  6. Step 6: Final answer
    x = 3,415.23

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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.