Home / 4,075.08-6,108.97-2,128.65

Finding the Fourth Proportional to 4,075.08, 6,108.97 and 2,128.65

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Solution

The fourth proportional to 4,075.08, 6,108.97 and 2,128.65 is: 3,191.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.08 : 6,108.97 = 2,128.65 : x
  2. Step 2: Convert to fraction form
    4,075.08/6,108.97 = 2,128.65/x
  3. Step 3: Cross multiply
    4,075.08x = 6,108.97 × 2,128.65
  4. Step 4: Simplify right side
    4,075.08x = 13,003,858.99
  5. Step 5: Solve for x
    x = 13,003,858.99/4,075.08
  6. Step 6: Final answer
    x = 3,191.07

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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.