Home / 6,213.67-8,571.60-3,693.99

Finding the Fourth Proportional to 6,213.67, 8,571.60 and 3,693.99

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Solution

The fourth proportional to 6,213.67, 8,571.60 and 3,693.99 is: 5,095.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213.67 : 8,571.60 = 3,693.99 : x
  2. Step 2: Convert to fraction form
    6,213.67/8,571.60 = 3,693.99/x
  3. Step 3: Cross multiply
    6,213.67x = 8,571.60 × 3,693.99
  4. Step 4: Simplify right side
    6,213.67x = 31,663,407.99
  5. Step 5: Solve for x
    x = 31,663,407.99/6,213.67
  6. Step 6: Final answer
    x = 5,095.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.