Home / 5,715.55-8,573.94-1,819.05

Finding the Fourth Proportional to 5,715.55, 8,573.94 and 1,819.05

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Solution

The fourth proportional to 5,715.55, 8,573.94 and 1,819.05 is: 2,728.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.55 : 8,573.94 = 1,819.05 : x
  2. Step 2: Convert to fraction form
    5,715.55/8,573.94 = 1,819.05/x
  3. Step 3: Cross multiply
    5,715.55x = 8,573.94 × 1,819.05
  4. Step 4: Simplify right side
    5,715.55x = 15,596,425.56
  5. Step 5: Solve for x
    x = 15,596,425.56/5,715.55
  6. Step 6: Final answer
    x = 2,728.77

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1.5x scale

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.