Home / 5,414.16-8,121.28-1,716.40

Finding the Fourth Proportional to 5,414.16, 8,121.28 and 1,716.40

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Solution

The fourth proportional to 5,414.16, 8,121.28 and 1,716.40 is: 2,574.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.16 : 8,121.28 = 1,716.40 : x
  2. Step 2: Convert to fraction form
    5,414.16/8,121.28 = 1,716.40/x
  3. Step 3: Cross multiply
    5,414.16x = 8,121.28 × 1,716.40
  4. Step 4: Simplify right side
    5,414.16x = 13,939,364.99
  5. Step 5: Solve for x
    x = 13,939,364.99/5,414.16
  6. Step 6: Final answer
    x = 2,574.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.