Home / 5,414.09-8,121.15-1,716.30

Finding the Fourth Proportional to 5,414.09, 8,121.15 and 1,716.30

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Solution

The fourth proportional to 5,414.09, 8,121.15 and 1,716.30 is: 2,574.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.09 : 8,121.15 = 1,716.30 : x
  2. Step 2: Convert to fraction form
    5,414.09/8,121.15 = 1,716.30/x
  3. Step 3: Cross multiply
    5,414.09x = 8,121.15 × 1,716.30
  4. Step 4: Simplify right side
    5,414.09x = 13,938,329.75
  5. Step 5: Solve for x
    x = 13,938,329.75/5,414.09
  6. Step 6: Final answer
    x = 2,574.46

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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.