Home / 5,419.42-8,114.46-2,816.89

Finding the Fourth Proportional to 5,419.42, 8,114.46 and 2,816.89

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Solution

The fourth proportional to 5,419.42, 8,114.46 and 2,816.89 is: 4,217.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.42 : 8,114.46 = 2,816.89 : x
  2. Step 2: Convert to fraction form
    5,419.42/8,114.46 = 2,816.89/x
  3. Step 3: Cross multiply
    5,419.42x = 8,114.46 × 2,816.89
  4. Step 4: Simplify right side
    5,419.42x = 22,857,541.23
  5. Step 5: Solve for x
    x = 22,857,541.23/5,419.42
  6. Step 6: Final answer
    x = 4,217.71

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1.5x scale

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.