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Finding the Fourth Proportional to 5,611.71, 8,419.38 and 1,716.12

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Solution

The fourth proportional to 5,611.71, 8,419.38 and 1,716.12 is: 2,574.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.71 : 8,419.38 = 1,716.12 : x
  2. Step 2: Convert to fraction form
    5,611.71/8,419.38 = 1,716.12/x
  3. Step 3: Cross multiply
    5,611.71x = 8,419.38 × 1,716.12
  4. Step 4: Simplify right side
    5,611.71x = 14,448,666.41
  5. Step 5: Solve for x
    x = 14,448,666.41/5,611.71
  6. Step 6: Final answer
    x = 2,574.74

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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.