Home / 5,382.77-8,075.68-2,096.80

Finding the Fourth Proportional to 5,382.77, 8,075.68 and 2,096.80

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Solution

The fourth proportional to 5,382.77, 8,075.68 and 2,096.80 is: 3,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.77 : 8,075.68 = 2,096.80 : x
  2. Step 2: Convert to fraction form
    5,382.77/8,075.68 = 2,096.80/x
  3. Step 3: Cross multiply
    5,382.77x = 8,075.68 × 2,096.80
  4. Step 4: Simplify right side
    5,382.77x = 16,933,091.07
  5. Step 5: Solve for x
    x = 16,933,091.07/5,382.77
  6. Step 6: Final answer
    x = 3,145.80

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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.