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Finding the Fourth Proportional to 6,011.80, 8,993.40 and 5,199.10

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Solution

The fourth proportional to 6,011.80, 8,993.40 and 5,199.10 is: 7,777.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,011.80 : 8,993.40 = 5,199.10 : x
  2. Step 2: Convert to fraction form
    6,011.80/8,993.40 = 5,199.10/x
  3. Step 3: Cross multiply
    6,011.80x = 8,993.40 × 5,199.10
  4. Step 4: Simplify right side
    6,011.80x = 46,757,585.94
  5. Step 5: Solve for x
    x = 46,757,585.94/6,011.80
  6. Step 6: Final answer
    x = 7,777.63

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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.