Home / 7,126.24-10,688.40-2,195.77

Finding the Fourth Proportional to 7,126.24, 10,688.40 and 2,195.77

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Solution

The fourth proportional to 7,126.24, 10,688.40 and 2,195.77 is: 3,293.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.24 : 10,688.40 = 2,195.77 : x
  2. Step 2: Convert to fraction form
    7,126.24/10,688.40 = 2,195.77/x
  3. Step 3: Cross multiply
    7,126.24x = 10,688.40 × 2,195.77
  4. Step 4: Simplify right side
    7,126.24x = 23,469,268.07
  5. Step 5: Solve for x
    x = 23,469,268.07/7,126.24
  6. Step 6: Final answer
    x = 3,293.36

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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.