Home / 6,213.69-8,574.77-3,381.12

Finding the Fourth Proportional to 6,213.69, 8,574.77 and 3,381.12

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Solution

The fourth proportional to 6,213.69, 8,574.77 and 3,381.12 is: 4,665.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213.69 : 8,574.77 = 3,381.12 : x
  2. Step 2: Convert to fraction form
    6,213.69/8,574.77 = 3,381.12/x
  3. Step 3: Cross multiply
    6,213.69x = 8,574.77 × 3,381.12
  4. Step 4: Simplify right side
    6,213.69x = 28,992,309.44
  5. Step 5: Solve for x
    x = 28,992,309.44/6,213.69
  6. Step 6: Final answer
    x = 4,665.88

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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.