Home / 6,279.12-9,419.67-1,896.03

Finding the Fourth Proportional to 6,279.12, 9,419.67 and 1,896.03

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Solution

The fourth proportional to 6,279.12, 9,419.67 and 1,896.03 is: 2,844.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.12 : 9,419.67 = 1,896.03 : x
  2. Step 2: Convert to fraction form
    6,279.12/9,419.67 = 1,896.03/x
  3. Step 3: Cross multiply
    6,279.12x = 9,419.67 × 1,896.03
  4. Step 4: Simplify right side
    6,279.12x = 17,859,976.91
  5. Step 5: Solve for x
    x = 17,859,976.91/6,279.12
  6. Step 6: Final answer
    x = 2,844.34

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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.