Home / 4,095.87-6,144.09-1,321.77

Finding the Fourth Proportional to 4,095.87, 6,144.09 and 1,321.77

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Solution

The fourth proportional to 4,095.87, 6,144.09 and 1,321.77 is: 1,982.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,095.87 : 6,144.09 = 1,321.77 : x
  2. Step 2: Convert to fraction form
    4,095.87/6,144.09 = 1,321.77/x
  3. Step 3: Cross multiply
    4,095.87x = 6,144.09 × 1,321.77
  4. Step 4: Simplify right side
    4,095.87x = 8,121,073.84
  5. Step 5: Solve for x
    x = 8,121,073.84/4,095.87
  6. Step 6: Final answer
    x = 1,982.75

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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.