Home / 4,211.09-6,316.60-1,091.08

Finding the Fourth Proportional to 4,211.09, 6,316.60 and 1,091.08

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Solution

The fourth proportional to 4,211.09, 6,316.60 and 1,091.08 is: 1,636.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.09 : 6,316.60 = 1,091.08 : x
  2. Step 2: Convert to fraction form
    4,211.09/6,316.60 = 1,091.08/x
  3. Step 3: Cross multiply
    4,211.09x = 6,316.60 × 1,091.08
  4. Step 4: Simplify right side
    4,211.09x = 6,891,945.51
  5. Step 5: Solve for x
    x = 6,891,945.51/4,211.09
  6. Step 6: Final answer
    x = 1,636.62

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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.