Home / 4,210.05-6,309.44-3,231.34

Finding the Fourth Proportional to 4,210.05, 6,309.44 and 3,231.34

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Solution

The fourth proportional to 4,210.05, 6,309.44 and 3,231.34 is: 4,842.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.05 : 6,309.44 = 3,231.34 : x
  2. Step 2: Convert to fraction form
    4,210.05/6,309.44 = 3,231.34/x
  3. Step 3: Cross multiply
    4,210.05x = 6,309.44 × 3,231.34
  4. Step 4: Simplify right side
    4,210.05x = 20,387,945.85
  5. Step 5: Solve for x
    x = 20,387,945.85/4,210.05
  6. Step 6: Final answer
    x = 4,842.68

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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.