Home / 4,744.20-7,117.94-2,111.93

Finding the Fourth Proportional to 4,744.20, 7,117.94 and 2,111.93

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Solution

The fourth proportional to 4,744.20, 7,117.94 and 2,111.93 is: 3,168.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,744.20 : 7,117.94 = 2,111.93 : x
  2. Step 2: Convert to fraction form
    4,744.20/7,117.94 = 2,111.93/x
  3. Step 3: Cross multiply
    4,744.20x = 7,117.94 × 2,111.93
  4. Step 4: Simplify right side
    4,744.20x = 15,032,591.02
  5. Step 5: Solve for x
    x = 15,032,591.02/4,744.20
  6. Step 6: Final answer
    x = 3,168.63

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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.