Home / 5,819.55-8,729.47-2,124.53

Finding the Fourth Proportional to 5,819.55, 8,729.47 and 2,124.53

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Solution

The fourth proportional to 5,819.55, 8,729.47 and 2,124.53 is: 3,186.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.55 : 8,729.47 = 2,124.53 : x
  2. Step 2: Convert to fraction form
    5,819.55/8,729.47 = 2,124.53/x
  3. Step 3: Cross multiply
    5,819.55x = 8,729.47 × 2,124.53
  4. Step 4: Simplify right side
    5,819.55x = 18,546,012.64
  5. Step 5: Solve for x
    x = 18,546,012.64/5,819.55
  6. Step 6: Final answer
    x = 3,186.85

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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.