Home / 5,206.10-7,813.19-3,635.90

Finding the Fourth Proportional to 5,206.10, 7,813.19 and 3,635.90

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Solution

The fourth proportional to 5,206.10, 7,813.19 and 3,635.90 is: 5,456.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.10 : 7,813.19 = 3,635.90 : x
  2. Step 2: Convert to fraction form
    5,206.10/7,813.19 = 3,635.90/x
  3. Step 3: Cross multiply
    5,206.10x = 7,813.19 × 3,635.90
  4. Step 4: Simplify right side
    5,206.10x = 28,407,977.52
  5. Step 5: Solve for x
    x = 28,407,977.52/5,206.10
  6. Step 6: Final answer
    x = 5,456.67

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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.