Home / 5,713.40-8,571.58-1,817.80

Finding the Fourth Proportional to 5,713.40, 8,571.58 and 1,817.80

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Solution

The fourth proportional to 5,713.40, 8,571.58 and 1,817.80 is: 2,727.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,713.40 : 8,571.58 = 1,817.80 : x
  2. Step 2: Convert to fraction form
    5,713.40/8,571.58 = 1,817.80/x
  3. Step 3: Cross multiply
    5,713.40x = 8,571.58 × 1,817.80
  4. Step 4: Simplify right side
    5,713.40x = 15,581,418.12
  5. Step 5: Solve for x
    x = 15,581,418.12/5,713.40
  6. Step 6: Final answer
    x = 2,727.17

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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.