Home / 5,091.29-7,638.87-2,624.54

Finding the Fourth Proportional to 5,091.29, 7,638.87 and 2,624.54

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Solution

The fourth proportional to 5,091.29, 7,638.87 and 2,624.54 is: 3,937.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.29 : 7,638.87 = 2,624.54 : x
  2. Step 2: Convert to fraction form
    5,091.29/7,638.87 = 2,624.54/x
  3. Step 3: Cross multiply
    5,091.29x = 7,638.87 × 2,624.54
  4. Step 4: Simplify right side
    5,091.29x = 20,048,491.52
  5. Step 5: Solve for x
    x = 20,048,491.52/5,091.29
  6. Step 6: Final answer
    x = 3,937.80

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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.