Home / 5,711.68-8,567.66-1,816.12

Finding the Fourth Proportional to 5,711.68, 8,567.66 and 1,816.12

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Solution

The fourth proportional to 5,711.68, 8,567.66 and 1,816.12 is: 2,724.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.68 : 8,567.66 = 1,816.12 : x
  2. Step 2: Convert to fraction form
    5,711.68/8,567.66 = 1,816.12/x
  3. Step 3: Cross multiply
    5,711.68x = 8,567.66 × 1,816.12
  4. Step 4: Simplify right side
    5,711.68x = 15,559,898.68
  5. Step 5: Solve for x
    x = 15,559,898.68/5,711.68
  6. Step 6: Final answer
    x = 2,724.22

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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.