Home / 4,276.82-6,416.25-2,085.05

Finding the Fourth Proportional to 4,276.82, 6,416.25 and 2,085.05

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Solution

The fourth proportional to 4,276.82, 6,416.25 and 2,085.05 is: 3,128.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.82 : 6,416.25 = 2,085.05 : x
  2. Step 2: Convert to fraction form
    4,276.82/6,416.25 = 2,085.05/x
  3. Step 3: Cross multiply
    4,276.82x = 6,416.25 × 2,085.05
  4. Step 4: Simplify right side
    4,276.82x = 13,378,169.98
  5. Step 5: Solve for x
    x = 13,378,169.98/4,276.82
  6. Step 6: Final answer
    x = 3,128.07

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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.