Home / 5,412.42-8,121.60-2,294.19

Finding the Fourth Proportional to 5,412.42, 8,121.60 and 2,294.19

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Solution

The fourth proportional to 5,412.42, 8,121.60 and 2,294.19 is: 3,442.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.42 : 8,121.60 = 2,294.19 : x
  2. Step 2: Convert to fraction form
    5,412.42/8,121.60 = 2,294.19/x
  3. Step 3: Cross multiply
    5,412.42x = 8,121.60 × 2,294.19
  4. Step 4: Simplify right side
    5,412.42x = 18,632,493.50
  5. Step 5: Solve for x
    x = 18,632,493.50/5,412.42
  6. Step 6: Final answer
    x = 3,442.54

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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.