Home / 6,840.41-10,261.98-3,143.75

Finding the Fourth Proportional to 6,840.41, 10,261.98 and 3,143.75

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Solution

The fourth proportional to 6,840.41, 10,261.98 and 3,143.75 is: 4,716.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840.41 : 10,261.98 = 3,143.75 : x
  2. Step 2: Convert to fraction form
    6,840.41/10,261.98 = 3,143.75/x
  3. Step 3: Cross multiply
    6,840.41x = 10,261.98 × 3,143.75
  4. Step 4: Simplify right side
    6,840.41x = 32,261,048.32
  5. Step 5: Solve for x
    x = 32,261,048.32/6,840.41
  6. Step 6: Final answer
    x = 4,716.25

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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.