Home / 5,813.10-8,708.01-2,688.87

Finding the Fourth Proportional to 5,813.10, 8,708.01 and 2,688.87

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Solution

The fourth proportional to 5,813.10, 8,708.01 and 2,688.87 is: 4,027.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.10 : 8,708.01 = 2,688.87 : x
  2. Step 2: Convert to fraction form
    5,813.10/8,708.01 = 2,688.87/x
  3. Step 3: Cross multiply
    5,813.10x = 8,708.01 × 2,688.87
  4. Step 4: Simplify right side
    5,813.10x = 23,414,706.85
  5. Step 5: Solve for x
    x = 23,414,706.85/5,813.10
  6. Step 6: Final answer
    x = 4,027.92

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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.