Home / 5,783.83-8,661.75-3,311.15

Finding the Fourth Proportional to 5,783.83, 8,661.75 and 3,311.15

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Solution

The fourth proportional to 5,783.83, 8,661.75 and 3,311.15 is: 4,958.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,783.83 : 8,661.75 = 3,311.15 : x
  2. Step 2: Convert to fraction form
    5,783.83/8,661.75 = 3,311.15/x
  3. Step 3: Cross multiply
    5,783.83x = 8,661.75 × 3,311.15
  4. Step 4: Simplify right side
    5,783.83x = 28,680,353.51
  5. Step 5: Solve for x
    x = 28,680,353.51/5,783.83
  6. Step 6: Final answer
    x = 4,958.71

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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.