Home / 6,255.69-8,632.79-3,423.12

Finding the Fourth Proportional to 6,255.69, 8,632.79 and 3,423.12

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Solution

The fourth proportional to 6,255.69, 8,632.79 and 3,423.12 is: 4,723.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,255.69 : 8,632.79 = 3,423.12 : x
  2. Step 2: Convert to fraction form
    6,255.69/8,632.79 = 3,423.12/x
  3. Step 3: Cross multiply
    6,255.69x = 8,632.79 × 3,423.12
  4. Step 4: Simplify right side
    6,255.69x = 29,551,058.99
  5. Step 5: Solve for x
    x = 29,551,058.99/6,255.69
  6. Step 6: Final answer
    x = 4,723.87

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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.