Home / 6,819.45-9,412.98-4,961.85

Finding the Fourth Proportional to 6,819.45, 9,412.98 and 4,961.85

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Solution

The fourth proportional to 6,819.45, 9,412.98 and 4,961.85 is: 6,848.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.45 : 9,412.98 = 4,961.85 : x
  2. Step 2: Convert to fraction form
    6,819.45/9,412.98 = 4,961.85/x
  3. Step 3: Cross multiply
    6,819.45x = 9,412.98 × 4,961.85
  4. Step 4: Simplify right side
    6,819.45x = 46,705,794.81
  5. Step 5: Solve for x
    x = 46,705,794.81/6,819.45
  6. Step 6: Final answer
    x = 6,848.91

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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.