Home / 6,995.13-10,491.07-1,997.40

Finding the Fourth Proportional to 6,995.13, 10,491.07 and 1,997.40

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Solution

The fourth proportional to 6,995.13, 10,491.07 and 1,997.40 is: 2,995.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,995.13 : 10,491.07 = 1,997.40 : x
  2. Step 2: Convert to fraction form
    6,995.13/10,491.07 = 1,997.40/x
  3. Step 3: Cross multiply
    6,995.13x = 10,491.07 × 1,997.40
  4. Step 4: Simplify right side
    6,995.13x = 20,954,863.22
  5. Step 5: Solve for x
    x = 20,954,863.22/6,995.13
  6. Step 6: Final answer
    x = 2,995.64

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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.