Home / 4,845.70-7,269.28-2,072.38

Finding the Fourth Proportional to 4,845.70, 7,269.28 and 2,072.38

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Solution

The fourth proportional to 4,845.70, 7,269.28 and 2,072.38 is: 3,108.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,845.70 : 7,269.28 = 2,072.38 : x
  2. Step 2: Convert to fraction form
    4,845.70/7,269.28 = 2,072.38/x
  3. Step 3: Cross multiply
    4,845.70x = 7,269.28 × 2,072.38
  4. Step 4: Simplify right side
    4,845.70x = 15,064,674.14
  5. Step 5: Solve for x
    x = 15,064,674.14/4,845.70
  6. Step 6: Final answer
    x = 3,108.88

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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.