Home / 4,860.60-7,278.42-3,996.60

Finding the Fourth Proportional to 4,860.60, 7,278.42 and 3,996.60

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Solution

The fourth proportional to 4,860.60, 7,278.42 and 3,996.60 is: 5,984.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.60 : 7,278.42 = 3,996.60 : x
  2. Step 2: Convert to fraction form
    4,860.60/7,278.42 = 3,996.60/x
  3. Step 3: Cross multiply
    4,860.60x = 7,278.42 × 3,996.60
  4. Step 4: Simplify right side
    4,860.60x = 29,088,933.37
  5. Step 5: Solve for x
    x = 29,088,933.37/4,860.60
  6. Step 6: Final answer
    x = 5,984.64

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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.