Home / 5,757.05-8,632.74-1,860.95

Finding the Fourth Proportional to 5,757.05, 8,632.74 and 1,860.95

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Solution

The fourth proportional to 5,757.05, 8,632.74 and 1,860.95 is: 2,790.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,757.05 : 8,632.74 = 1,860.95 : x
  2. Step 2: Convert to fraction form
    5,757.05/8,632.74 = 1,860.95/x
  3. Step 3: Cross multiply
    5,757.05x = 8,632.74 × 1,860.95
  4. Step 4: Simplify right side
    5,757.05x = 16,065,097.50
  5. Step 5: Solve for x
    x = 16,065,097.50/5,757.05
  6. Step 6: Final answer
    x = 2,790.51

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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.