Home / 4,800.83-6,626.30-2,811.56

Finding the Fourth Proportional to 4,800.83, 6,626.30 and 2,811.56

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Solution

The fourth proportional to 4,800.83, 6,626.30 and 2,811.56 is: 3,880.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,800.83 : 6,626.30 = 2,811.56 : x
  2. Step 2: Convert to fraction form
    4,800.83/6,626.30 = 2,811.56/x
  3. Step 3: Cross multiply
    4,800.83x = 6,626.30 × 2,811.56
  4. Step 4: Simplify right side
    4,800.83x = 18,630,192.84
  5. Step 5: Solve for x
    x = 18,630,192.84/4,800.83
  6. Step 6: Final answer
    x = 3,880.62

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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.