Home / 5,819.40-8,030.67-3,166.86

Finding the Fourth Proportional to 5,819.40, 8,030.67 and 3,166.86

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Solution

The fourth proportional to 5,819.40, 8,030.67 and 3,166.86 is: 4,370.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.40 : 8,030.67 = 3,166.86 : x
  2. Step 2: Convert to fraction form
    5,819.40/8,030.67 = 3,166.86/x
  3. Step 3: Cross multiply
    5,819.40x = 8,030.67 × 3,166.86
  4. Step 4: Simplify right side
    5,819.40x = 25,432,007.60
  5. Step 5: Solve for x
    x = 25,432,007.60/5,819.40
  6. Step 6: Final answer
    x = 4,370.21

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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.