Home / 4,409.82-6,614.67-1,122.90

Finding the Fourth Proportional to 4,409.82, 6,614.67 and 1,122.90

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Solution

The fourth proportional to 4,409.82, 6,614.67 and 1,122.90 is: 1,684.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,409.82 : 6,614.67 = 1,122.90 : x
  2. Step 2: Convert to fraction form
    4,409.82/6,614.67 = 1,122.90/x
  3. Step 3: Cross multiply
    4,409.82x = 6,614.67 × 1,122.90
  4. Step 4: Simplify right side
    4,409.82x = 7,427,612.94
  5. Step 5: Solve for x
    x = 7,427,612.94/4,409.82
  6. Step 6: Final answer
    x = 1,684.33

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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.