Home / 5,790.26-7,990.70-3,550.85

Finding the Fourth Proportional to 5,790.26, 7,990.70 and 3,550.85

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Solution

The fourth proportional to 5,790.26, 7,990.70 and 3,550.85 is: 4,900.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.26 : 7,990.70 = 3,550.85 : x
  2. Step 2: Convert to fraction form
    5,790.26/7,990.70 = 3,550.85/x
  3. Step 3: Cross multiply
    5,790.26x = 7,990.70 × 3,550.85
  4. Step 4: Simplify right side
    5,790.26x = 28,373,719.39
  5. Step 5: Solve for x
    x = 28,373,719.39/5,790.26
  6. Step 6: Final answer
    x = 4,900.25

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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.