Home / 4,845.06-6,685.67-2,720.84

Finding the Fourth Proportional to 4,845.06, 6,685.67 and 2,720.84

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Solution

The fourth proportional to 4,845.06, 6,685.67 and 2,720.84 is: 3,754.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,845.06 : 6,685.67 = 2,720.84 : x
  2. Step 2: Convert to fraction form
    4,845.06/6,685.67 = 2,720.84/x
  3. Step 3: Cross multiply
    4,845.06x = 6,685.67 × 2,720.84
  4. Step 4: Simplify right side
    4,845.06x = 18,190,611.74
  5. Step 5: Solve for x
    x = 18,190,611.74/4,845.06
  6. Step 6: Final answer
    x = 3,754.47

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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.