Home / 4,842.20-7,241.70-4,064.60

Finding the Fourth Proportional to 4,842.20, 7,241.70 and 4,064.60

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Solution

The fourth proportional to 4,842.20, 7,241.70 and 4,064.60 is: 6,078.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,842.20 : 7,241.70 = 4,064.60 : x
  2. Step 2: Convert to fraction form
    4,842.20/7,241.70 = 4,064.60/x
  3. Step 3: Cross multiply
    4,842.20x = 7,241.70 × 4,064.60
  4. Step 4: Simplify right side
    4,842.20x = 29,434,613.82
  5. Step 5: Solve for x
    x = 29,434,613.82/4,842.20
  6. Step 6: Final answer
    x = 6,078.77

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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.