Home / 5,578.83-8,362.37-1,879.77

Finding the Fourth Proportional to 5,578.83, 8,362.37 and 1,879.77

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Solution

The fourth proportional to 5,578.83, 8,362.37 and 1,879.77 is: 2,817.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.83 : 8,362.37 = 1,879.77 : x
  2. Step 2: Convert to fraction form
    5,578.83/8,362.37 = 1,879.77/x
  3. Step 3: Cross multiply
    5,578.83x = 8,362.37 × 1,879.77
  4. Step 4: Simplify right side
    5,578.83x = 15,719,322.86
  5. Step 5: Solve for x
    x = 15,719,322.86/5,578.83
  6. Step 6: Final answer
    x = 2,817.67

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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.