Home / 6,840.94-10,261.26-1,910.47

Finding the Fourth Proportional to 6,840.94, 10,261.26 and 1,910.47

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Solution

The fourth proportional to 6,840.94, 10,261.26 and 1,910.47 is: 2,865.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840.94 : 10,261.26 = 1,910.47 : x
  2. Step 2: Convert to fraction form
    6,840.94/10,261.26 = 1,910.47/x
  3. Step 3: Cross multiply
    6,840.94x = 10,261.26 × 1,910.47
  4. Step 4: Simplify right side
    6,840.94x = 19,603,829.39
  5. Step 5: Solve for x
    x = 19,603,829.39/6,840.94
  6. Step 6: Final answer
    x = 2,865.66

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Half scale
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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.