Home / 6,279.00-9,427.74-3,511.09

Finding the Fourth Proportional to 6,279.00, 9,427.74 and 3,511.09

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Solution

The fourth proportional to 6,279.00, 9,427.74 and 3,511.09 is: 5,271.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.00 : 9,427.74 = 3,511.09 : x
  2. Step 2: Convert to fraction form
    6,279.00/9,427.74 = 3,511.09/x
  3. Step 3: Cross multiply
    6,279.00x = 9,427.74 × 3,511.09
  4. Step 4: Simplify right side
    6,279.00x = 33,101,643.64
  5. Step 5: Solve for x
    x = 33,101,643.64/6,279.00
  6. Step 6: Final answer
    x = 5,271.81

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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.