Home / 6,286.60-9,428.28-3,511.54

Finding the Fourth Proportional to 6,286.60, 9,428.28 and 3,511.54

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Solution

The fourth proportional to 6,286.60, 9,428.28 and 3,511.54 is: 5,266.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.60 : 9,428.28 = 3,511.54 : x
  2. Step 2: Convert to fraction form
    6,286.60/9,428.28 = 3,511.54/x
  3. Step 3: Cross multiply
    6,286.60x = 9,428.28 × 3,511.54
  4. Step 4: Simplify right side
    6,286.60x = 33,107,782.35
  5. Step 5: Solve for x
    x = 33,107,782.35/6,286.60
  6. Step 6: Final answer
    x = 5,266.41

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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.