Home / 6,162.12-9,241.20-1,778.40

Finding the Fourth Proportional to 6,162.12, 9,241.20 and 1,778.40

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Solution

The fourth proportional to 6,162.12, 9,241.20 and 1,778.40 is: 2,667.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,162.12 : 9,241.20 = 1,778.40 : x
  2. Step 2: Convert to fraction form
    6,162.12/9,241.20 = 1,778.40/x
  3. Step 3: Cross multiply
    6,162.12x = 9,241.20 × 1,778.40
  4. Step 4: Simplify right side
    6,162.12x = 16,434,550.08
  5. Step 5: Solve for x
    x = 16,434,550.08/6,162.12
  6. Step 6: Final answer
    x = 2,667.03

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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.