Home / 6,140.98-9,212.39-2,191.93

Finding the Fourth Proportional to 6,140.98, 9,212.39 and 2,191.93

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Solution

The fourth proportional to 6,140.98, 9,212.39 and 2,191.93 is: 3,288.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.98 : 9,212.39 = 2,191.93 : x
  2. Step 2: Convert to fraction form
    6,140.98/9,212.39 = 2,191.93/x
  3. Step 3: Cross multiply
    6,140.98x = 9,212.39 × 2,191.93
  4. Step 4: Simplify right side
    6,140.98x = 20,192,903.05
  5. Step 5: Solve for x
    x = 20,192,903.05/6,140.98
  6. Step 6: Final answer
    x = 3,288.22

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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.