Home / 4,729.84-7,122.19-3,505.90

Finding the Fourth Proportional to 4,729.84, 7,122.19 and 3,505.90

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Solution

The fourth proportional to 4,729.84, 7,122.19 and 3,505.90 is: 5,279.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,729.84 : 7,122.19 = 3,505.90 : x
  2. Step 2: Convert to fraction form
    4,729.84/7,122.19 = 3,505.90/x
  3. Step 3: Cross multiply
    4,729.84x = 7,122.19 × 3,505.90
  4. Step 4: Simplify right side
    4,729.84x = 24,969,685.92
  5. Step 5: Solve for x
    x = 24,969,685.92/4,729.84
  6. Step 6: Final answer
    x = 5,279.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.