Home / 7,091.17-10,636.75-1,896.91

Finding the Fourth Proportional to 7,091.17, 10,636.75 and 1,896.91

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Solution

The fourth proportional to 7,091.17, 10,636.75 and 1,896.91 is: 2,845.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.17 : 10,636.75 = 1,896.91 : x
  2. Step 2: Convert to fraction form
    7,091.17/10,636.75 = 1,896.91/x
  3. Step 3: Cross multiply
    7,091.17x = 10,636.75 × 1,896.91
  4. Step 4: Simplify right side
    7,091.17x = 20,176,916.37
  5. Step 5: Solve for x
    x = 20,176,916.37/7,091.17
  6. Step 6: Final answer
    x = 2,845.36

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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.