Home / 4,744.95-7,118.94-2,279.94

Finding the Fourth Proportional to 4,744.95, 7,118.94 and 2,279.94

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Solution

The fourth proportional to 4,744.95, 7,118.94 and 2,279.94 is: 3,420.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,744.95 : 7,118.94 = 2,279.94 : x
  2. Step 2: Convert to fraction form
    4,744.95/7,118.94 = 2,279.94/x
  3. Step 3: Cross multiply
    4,744.95x = 7,118.94 × 2,279.94
  4. Step 4: Simplify right side
    4,744.95x = 16,230,756.06
  5. Step 5: Solve for x
    x = 16,230,756.06/4,744.95
  6. Step 6: Final answer
    x = 3,420.64

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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.