Home / 5,811.40-8,711.16-3,725.38

Finding the Fourth Proportional to 5,811.40, 8,711.16 and 3,725.38

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Solution

The fourth proportional to 5,811.40, 8,711.16 and 3,725.38 is: 5,584.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.40 : 8,711.16 = 3,725.38 : x
  2. Step 2: Convert to fraction form
    5,811.40/8,711.16 = 3,725.38/x
  3. Step 3: Cross multiply
    5,811.40x = 8,711.16 × 3,725.38
  4. Step 4: Simplify right side
    5,811.40x = 32,452,381.24
  5. Step 5: Solve for x
    x = 32,452,381.24/5,811.40
  6. Step 6: Final answer
    x = 5,584.26

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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.