Home / 4,279.06-6,406.44-3,307.06

Finding the Fourth Proportional to 4,279.06, 6,406.44 and 3,307.06

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Solution

The fourth proportional to 4,279.06, 6,406.44 and 3,307.06 is: 4,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.06 : 6,406.44 = 3,307.06 : x
  2. Step 2: Convert to fraction form
    4,279.06/6,406.44 = 3,307.06/x
  3. Step 3: Cross multiply
    4,279.06x = 6,406.44 × 3,307.06
  4. Step 4: Simplify right side
    4,279.06x = 21,186,481.47
  5. Step 5: Solve for x
    x = 21,186,481.47/4,279.06
  6. Step 6: Final answer
    x = 4,951.20

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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.