Home / 6,419.26-8,858.76-3,586.54

Finding the Fourth Proportional to 6,419.26, 8,858.76 and 3,586.54

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Solution

The fourth proportional to 6,419.26, 8,858.76 and 3,586.54 is: 4,949.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419.26 : 8,858.76 = 3,586.54 : x
  2. Step 2: Convert to fraction form
    6,419.26/8,858.76 = 3,586.54/x
  3. Step 3: Cross multiply
    6,419.26x = 8,858.76 × 3,586.54
  4. Step 4: Simplify right side
    6,419.26x = 31,772,297.09
  5. Step 5: Solve for x
    x = 31,772,297.09/6,419.26
  6. Step 6: Final answer
    x = 4,949.53

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.