Home / 5,800.05-8,000.49-3,561.09

Finding the Fourth Proportional to 5,800.05, 8,000.49 and 3,561.09

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Solution

The fourth proportional to 5,800.05, 8,000.49 and 3,561.09 is: 4,912.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,800.05 : 8,000.49 = 3,561.09 : x
  2. Step 2: Convert to fraction form
    5,800.05/8,000.49 = 3,561.09/x
  3. Step 3: Cross multiply
    5,800.05x = 8,000.49 × 3,561.09
  4. Step 4: Simplify right side
    5,800.05x = 28,490,464.93
  5. Step 5: Solve for x
    x = 28,490,464.93/5,800.05
  6. Step 6: Final answer
    x = 4,912.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.