Home / 4,861.87-6,705.68-4,190.83

Finding the Fourth Proportional to 4,861.87, 6,705.68 and 4,190.83

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Solution

The fourth proportional to 4,861.87, 6,705.68 and 4,190.83 is: 5,780.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.87 : 6,705.68 = 4,190.83 : x
  2. Step 2: Convert to fraction form
    4,861.87/6,705.68 = 4,190.83/x
  3. Step 3: Cross multiply
    4,861.87x = 6,705.68 × 4,190.83
  4. Step 4: Simplify right side
    4,861.87x = 28,102,327.20
  5. Step 5: Solve for x
    x = 28,102,327.20/4,861.87
  6. Step 6: Final answer
    x = 5,780.15

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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.