Home / 4,744.22-7,116.40-2,278.50

Finding the Fourth Proportional to 4,744.22, 7,116.40 and 2,278.50

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Solution

The fourth proportional to 4,744.22, 7,116.40 and 2,278.50 is: 3,417.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,744.22 : 7,116.40 = 2,278.50 : x
  2. Step 2: Convert to fraction form
    4,744.22/7,116.40 = 2,278.50/x
  3. Step 3: Cross multiply
    4,744.22x = 7,116.40 × 2,278.50
  4. Step 4: Simplify right side
    4,744.22x = 16,214,717.40
  5. Step 5: Solve for x
    x = 16,214,717.40/4,744.22
  6. Step 6: Final answer
    x = 3,417.78

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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.