Home / 5,715.02-8,573.90-1,819.43

Finding the Fourth Proportional to 5,715.02, 8,573.90 and 1,819.43

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Solution

The fourth proportional to 5,715.02, 8,573.90 and 1,819.43 is: 2,729.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.02 : 8,573.90 = 1,819.43 : x
  2. Step 2: Convert to fraction form
    5,715.02/8,573.90 = 1,819.43/x
  3. Step 3: Cross multiply
    5,715.02x = 8,573.90 × 1,819.43
  4. Step 4: Simplify right side
    5,715.02x = 15,599,610.88
  5. Step 5: Solve for x
    x = 15,599,610.88/5,715.02
  6. Step 6: Final answer
    x = 2,729.58

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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.