Home / 6,803.09-9,383.75-4,112.55

Finding the Fourth Proportional to 6,803.09, 9,383.75 and 4,112.55

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Solution

The fourth proportional to 6,803.09, 9,383.75 and 4,112.55 is: 5,672.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,803.09 : 9,383.75 = 4,112.55 : x
  2. Step 2: Convert to fraction form
    6,803.09/9,383.75 = 4,112.55/x
  3. Step 3: Cross multiply
    6,803.09x = 9,383.75 × 4,112.55
  4. Step 4: Simplify right side
    6,803.09x = 38,591,109.53
  5. Step 5: Solve for x
    x = 38,591,109.53/6,803.09
  6. Step 6: Final answer
    x = 5,672.59

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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.