Home / 5,464.20-8,199.54-5,118.26

Finding the Fourth Proportional to 5,464.20, 8,199.54 and 5,118.26

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Solution

The fourth proportional to 5,464.20, 8,199.54 and 5,118.26 is: 7,680.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,464.20 : 8,199.54 = 5,118.26 : x
  2. Step 2: Convert to fraction form
    5,464.20/8,199.54 = 5,118.26/x
  3. Step 3: Cross multiply
    5,464.20x = 8,199.54 × 5,118.26
  4. Step 4: Simplify right side
    5,464.20x = 41,967,377.60
  5. Step 5: Solve for x
    x = 41,967,377.60/5,464.20
  6. Step 6: Final answer
    x = 7,680.42

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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.