Home / 4,729.04-7,121.26-3,505.14

Finding the Fourth Proportional to 4,729.04, 7,121.26 and 3,505.14

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Solution

The fourth proportional to 4,729.04, 7,121.26 and 3,505.14 is: 5,278.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,729.04 : 7,121.26 = 3,505.14 : x
  2. Step 2: Convert to fraction form
    4,729.04/7,121.26 = 3,505.14/x
  3. Step 3: Cross multiply
    4,729.04x = 7,121.26 × 3,505.14
  4. Step 4: Simplify right side
    4,729.04x = 24,961,013.28
  5. Step 5: Solve for x
    x = 24,961,013.28/4,729.04
  6. Step 6: Final answer
    x = 5,278.24

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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.