Home / 5,409.41-8,118.22-3,650.25

Finding the Fourth Proportional to 5,409.41, 8,118.22 and 3,650.25

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Solution

The fourth proportional to 5,409.41, 8,118.22 and 3,650.25 is: 5,478.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.41 : 8,118.22 = 3,650.25 : x
  2. Step 2: Convert to fraction form
    5,409.41/8,118.22 = 3,650.25/x
  3. Step 3: Cross multiply
    5,409.41x = 8,118.22 × 3,650.25
  4. Step 4: Simplify right side
    5,409.41x = 29,633,491.96
  5. Step 5: Solve for x
    x = 29,633,491.96/5,409.41
  6. Step 6: Final answer
    x = 5,478.14

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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.