Home / 4,586.87-6,879.27-2,120.34

Finding the Fourth Proportional to 4,586.87, 6,879.27 and 2,120.34

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Solution

The fourth proportional to 4,586.87, 6,879.27 and 2,120.34 is: 3,180.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,586.87 : 6,879.27 = 2,120.34 : x
  2. Step 2: Convert to fraction form
    4,586.87/6,879.27 = 2,120.34/x
  3. Step 3: Cross multiply
    4,586.87x = 6,879.27 × 2,120.34
  4. Step 4: Simplify right side
    4,586.87x = 14,586,425.10
  5. Step 5: Solve for x
    x = 14,586,425.10/4,586.87
  6. Step 6: Final answer
    x = 3,180.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.