Home / 7,090.72-10,636.07-1,896.46

Finding the Fourth Proportional to 7,090.72, 10,636.07 and 1,896.46

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Solution

The fourth proportional to 7,090.72, 10,636.07 and 1,896.46 is: 2,844.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.72 : 10,636.07 = 1,896.46 : x
  2. Step 2: Convert to fraction form
    7,090.72/10,636.07 = 1,896.46/x
  3. Step 3: Cross multiply
    7,090.72x = 10,636.07 × 1,896.46
  4. Step 4: Simplify right side
    7,090.72x = 20,170,828.13
  5. Step 5: Solve for x
    x = 20,170,828.13/7,090.72
  6. Step 6: Final answer
    x = 2,844.68

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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.