Home / 6,819.34-9,409.62-4,166.86

Finding the Fourth Proportional to 6,819.34, 9,409.62 and 4,166.86

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Solution

The fourth proportional to 6,819.34, 9,409.62 and 4,166.86 is: 5,749.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.34 : 9,409.62 = 4,166.86 : x
  2. Step 2: Convert to fraction form
    6,819.34/9,409.62 = 4,166.86/x
  3. Step 3: Cross multiply
    6,819.34x = 9,409.62 × 4,166.86
  4. Step 4: Simplify right side
    6,819.34x = 39,208,569.19
  5. Step 5: Solve for x
    x = 39,208,569.19/6,819.34
  6. Step 6: Final answer
    x = 5,749.61

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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.