Home / 5,611.95-8,419.30-1,716.36

Finding the Fourth Proportional to 5,611.95, 8,419.30 and 1,716.36

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Solution

The fourth proportional to 5,611.95, 8,419.30 and 1,716.36 is: 2,574.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.95 : 8,419.30 = 1,716.36 : x
  2. Step 2: Convert to fraction form
    5,611.95/8,419.30 = 1,716.36/x
  3. Step 3: Cross multiply
    5,611.95x = 8,419.30 × 1,716.36
  4. Step 4: Simplify right side
    5,611.95x = 14,450,549.75
  5. Step 5: Solve for x
    x = 14,450,549.75/5,611.95
  6. Step 6: Final answer
    x = 2,574.96

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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.