Home / 4,085-6,127.46-1,163.32

Finding the Fourth Proportional to 4,085, 6,127.46 and 1,163.32

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Solution

The fourth proportional to 4,085, 6,127.46 and 1,163.32 is: 1,744.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085 : 6,127.46 = 1,163.32 : x
  2. Step 2: Convert to fraction form
    4,085/6,127.46 = 1,163.32/x
  3. Step 3: Cross multiply
    4,085x = 6,127.46 × 1,163.32
  4. Step 4: Simplify right side
    4,085x = 7,128,196.77
  5. Step 5: Solve for x
    x = 7,128,196.77/4,085
  6. Step 6: Final answer
    x = 1,744.97

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Double scale
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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.