Home / 4,724.10-6,520.41-2,861.70

Finding the Fourth Proportional to 4,724.10, 6,520.41 and 2,861.70

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Solution

The fourth proportional to 4,724.10, 6,520.41 and 2,861.70 is: 3,949.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,724.10 : 6,520.41 = 2,861.70 : x
  2. Step 2: Convert to fraction form
    4,724.10/6,520.41 = 2,861.70/x
  3. Step 3: Cross multiply
    4,724.10x = 6,520.41 × 2,861.70
  4. Step 4: Simplify right side
    4,724.10x = 18,659,457.30
  5. Step 5: Solve for x
    x = 18,659,457.30/4,724.10
  6. Step 6: Final answer
    x = 3,949.84

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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.