Home / 4,115.36-6,173.04-1,381.28

Finding the Fourth Proportional to 4,115.36, 6,173.04 and 1,381.28

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Solution

The fourth proportional to 4,115.36, 6,173.04 and 1,381.28 is: 2,071.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.36 : 6,173.04 = 1,381.28 : x
  2. Step 2: Convert to fraction form
    4,115.36/6,173.04 = 1,381.28/x
  3. Step 3: Cross multiply
    4,115.36x = 6,173.04 × 1,381.28
  4. Step 4: Simplify right side
    4,115.36x = 8,526,696.69
  5. Step 5: Solve for x
    x = 8,526,696.69/4,115.36
  6. Step 6: Final answer
    x = 2,071.92

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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.