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Finding the Fourth Proportional to 6,108.54, 9,162.81 and 1,725.99

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Solution

The fourth proportional to 6,108.54, 9,162.81 and 1,725.99 is: 2,588.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.54 : 9,162.81 = 1,725.99 : x
  2. Step 2: Convert to fraction form
    6,108.54/9,162.81 = 1,725.99/x
  3. Step 3: Cross multiply
    6,108.54x = 9,162.81 × 1,725.99
  4. Step 4: Simplify right side
    6,108.54x = 15,814,918.43
  5. Step 5: Solve for x
    x = 15,814,918.43/6,108.54
  6. Step 6: Final answer
    x = 2,588.99

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Double scale
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Similar ratio
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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.