Home / 4,910.60-7,357.80-4,084.40

Finding the Fourth Proportional to 4,910.60, 7,357.80 and 4,084.40

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Solution

The fourth proportional to 4,910.60, 7,357.80 and 4,084.40 is: 6,119.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.60 : 7,357.80 = 4,084.40 : x
  2. Step 2: Convert to fraction form
    4,910.60/7,357.80 = 4,084.40/x
  3. Step 3: Cross multiply
    4,910.60x = 7,357.80 × 4,084.40
  4. Step 4: Simplify right side
    4,910.60x = 30,052,198.32
  5. Step 5: Solve for x
    x = 30,052,198.32/4,910.60
  6. Step 6: Final answer
    x = 6,119.86

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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.