Home / 5,815.69-8,025.75-3,163.14

Finding the Fourth Proportional to 5,815.69, 8,025.75 and 3,163.14

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Solution

The fourth proportional to 5,815.69, 8,025.75 and 3,163.14 is: 4,365.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.69 : 8,025.75 = 3,163.14 : x
  2. Step 2: Convert to fraction form
    5,815.69/8,025.75 = 3,163.14/x
  3. Step 3: Cross multiply
    5,815.69x = 8,025.75 × 3,163.14
  4. Step 4: Simplify right side
    5,815.69x = 25,386,570.86
  5. Step 5: Solve for x
    x = 25,386,570.86/5,815.69
  6. Step 6: Final answer
    x = 4,365.19

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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.