Home / 5,100.38-7,647.49-2,288.70

Finding the Fourth Proportional to 5,100.38, 7,647.49 and 2,288.70

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Solution

The fourth proportional to 5,100.38, 7,647.49 and 2,288.70 is: 3,431.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.38 : 7,647.49 = 2,288.70 : x
  2. Step 2: Convert to fraction form
    5,100.38/7,647.49 = 2,288.70/x
  3. Step 3: Cross multiply
    5,100.38x = 7,647.49 × 2,288.70
  4. Step 4: Simplify right side
    5,100.38x = 17,502,804.64
  5. Step 5: Solve for x
    x = 17,502,804.64/5,100.38
  6. Step 6: Final answer
    x = 3,431.67

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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.