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Finding the Fourth Proportional to 6,148.91, 8,485.49 and 3,496.48

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Solution

The fourth proportional to 6,148.91, 8,485.49 and 3,496.48 is: 4,825.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,148.91 : 8,485.49 = 3,496.48 : x
  2. Step 2: Convert to fraction form
    6,148.91/8,485.49 = 3,496.48/x
  3. Step 3: Cross multiply
    6,148.91x = 8,485.49 × 3,496.48
  4. Step 4: Simplify right side
    6,148.91x = 29,669,333.60
  5. Step 5: Solve for x
    x = 29,669,333.60/6,148.91
  6. Step 6: Final answer
    x = 4,825.14

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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.