Home / 6,185.13-9,279.13-2,081.13

Finding the Fourth Proportional to 6,185.13, 9,279.13 and 2,081.13

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Solution

The fourth proportional to 6,185.13, 9,279.13 and 2,081.13 is: 3,122.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,185.13 : 9,279.13 = 2,081.13 : x
  2. Step 2: Convert to fraction form
    6,185.13/9,279.13 = 2,081.13/x
  3. Step 3: Cross multiply
    6,185.13x = 9,279.13 × 2,081.13
  4. Step 4: Simplify right side
    6,185.13x = 19,311,075.82
  5. Step 5: Solve for x
    x = 19,311,075.82/6,185.13
  6. Step 6: Final answer
    x = 3,122.18

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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.