Home / 4,409.38-6,614.10-1,122.47

Finding the Fourth Proportional to 4,409.38, 6,614.10 and 1,122.47

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Solution

The fourth proportional to 4,409.38, 6,614.10 and 1,122.47 is: 1,683.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,409.38 : 6,614.10 = 1,122.47 : x
  2. Step 2: Convert to fraction form
    4,409.38/6,614.10 = 1,122.47/x
  3. Step 3: Cross multiply
    4,409.38x = 6,614.10 × 1,122.47
  4. Step 4: Simplify right side
    4,409.38x = 7,424,120.56
  5. Step 5: Solve for x
    x = 7,424,120.56/4,409.38
  6. Step 6: Final answer
    x = 1,683.71

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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.