Home / 5,418.09-8,118.63-3,225.62

Finding the Fourth Proportional to 5,418.09, 8,118.63 and 3,225.62

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Solution

The fourth proportional to 5,418.09, 8,118.63 and 3,225.62 is: 4,833.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.09 : 8,118.63 = 3,225.62 : x
  2. Step 2: Convert to fraction form
    5,418.09/8,118.63 = 3,225.62/x
  3. Step 3: Cross multiply
    5,418.09x = 8,118.63 × 3,225.62
  4. Step 4: Simplify right side
    5,418.09x = 26,187,635.60
  5. Step 5: Solve for x
    x = 26,187,635.60/5,418.09
  6. Step 6: Final answer
    x = 4,833.37

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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.