Home / 4,840.98-7,261.32-1,378.23

Finding the Fourth Proportional to 4,840.98, 7,261.32 and 1,378.23

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Solution

The fourth proportional to 4,840.98, 7,261.32 and 1,378.23 is: 2,067.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,840.98 : 7,261.32 = 1,378.23 : x
  2. Step 2: Convert to fraction form
    4,840.98/7,261.32 = 1,378.23/x
  3. Step 3: Cross multiply
    4,840.98x = 7,261.32 × 1,378.23
  4. Step 4: Simplify right side
    4,840.98x = 10,007,766.48
  5. Step 5: Solve for x
    x = 10,007,766.48/4,840.98
  6. Step 6: Final answer
    x = 2,067.30

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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.