Home / 5,919.36-8,169.65-3,561.49

Finding the Fourth Proportional to 5,919.36, 8,169.65 and 3,561.49

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Solution

The fourth proportional to 5,919.36, 8,169.65 and 3,561.49 is: 4,915.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.36 : 8,169.65 = 3,561.49 : x
  2. Step 2: Convert to fraction form
    5,919.36/8,169.65 = 3,561.49/x
  3. Step 3: Cross multiply
    5,919.36x = 8,169.65 × 3,561.49
  4. Step 4: Simplify right side
    5,919.36x = 29,096,126.78
  5. Step 5: Solve for x
    x = 29,096,126.78/5,919.36
  6. Step 6: Final answer
    x = 4,915.42

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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.