Home / 8,145.94-11,240.45-4,561.10

Finding the Fourth Proportional to 8,145.94, 11,240.45 and 4,561.10

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Solution

The fourth proportional to 8,145.94, 11,240.45 and 4,561.10 is: 6,293.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.94 : 11,240.45 = 4,561.10 : x
  2. Step 2: Convert to fraction form
    8,145.94/11,240.45 = 4,561.10/x
  3. Step 3: Cross multiply
    8,145.94x = 11,240.45 × 4,561.10
  4. Step 4: Simplify right side
    8,145.94x = 51,268,816.50
  5. Step 5: Solve for x
    x = 51,268,816.50/8,145.94
  6. Step 6: Final answer
    x = 6,293.79

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Half scale
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Double scale
Find fourth proportional to 8,146.94, 11,241.83 and 4,562.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.