Home / 5,042.86-7,565.37-2,119.48

Finding the Fourth Proportional to 5,042.86, 7,565.37 and 2,119.48

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Solution

The fourth proportional to 5,042.86, 7,565.37 and 2,119.48 is: 3,179.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,042.86 : 7,565.37 = 2,119.48 : x
  2. Step 2: Convert to fraction form
    5,042.86/7,565.37 = 2,119.48/x
  3. Step 3: Cross multiply
    5,042.86x = 7,565.37 × 2,119.48
  4. Step 4: Simplify right side
    5,042.86x = 16,034,650.41
  5. Step 5: Solve for x
    x = 16,034,650.41/5,042.86
  6. Step 6: Final answer
    x = 3,179.67

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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.