Home / 5,715.00-8,571.89-1,819.11

Finding the Fourth Proportional to 5,715.00, 8,571.89 and 1,819.11

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Solution

The fourth proportional to 5,715.00, 8,571.89 and 1,819.11 is: 2,728.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.00 : 8,571.89 = 1,819.11 : x
  2. Step 2: Convert to fraction form
    5,715.00/8,571.89 = 1,819.11/x
  3. Step 3: Cross multiply
    5,715.00x = 8,571.89 × 1,819.11
  4. Step 4: Simplify right side
    5,715.00x = 15,593,172.51
  5. Step 5: Solve for x
    x = 15,593,172.51/5,715.00
  6. Step 6: Final answer
    x = 2,728.46

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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.