Home / 6,143.69-9,212.65-2,245.37

Finding the Fourth Proportional to 6,143.69, 9,212.65 and 2,245.37

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Solution

The fourth proportional to 6,143.69, 9,212.65 and 2,245.37 is: 3,367.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.69 : 9,212.65 = 2,245.37 : x
  2. Step 2: Convert to fraction form
    6,143.69/9,212.65 = 2,245.37/x
  3. Step 3: Cross multiply
    6,143.69x = 9,212.65 × 2,245.37
  4. Step 4: Simplify right side
    6,143.69x = 20,685,807.93
  5. Step 5: Solve for x
    x = 20,685,807.93/6,143.69
  6. Step 6: Final answer
    x = 3,367.00

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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.