Home / 4,928.56-6,799.86-2,938.12

Finding the Fourth Proportional to 4,928.56, 6,799.86 and 2,938.12

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Solution

The fourth proportional to 4,928.56, 6,799.86 and 2,938.12 is: 4,053.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.56 : 6,799.86 = 2,938.12 : x
  2. Step 2: Convert to fraction form
    4,928.56/6,799.86 = 2,938.12/x
  3. Step 3: Cross multiply
    4,928.56x = 6,799.86 × 2,938.12
  4. Step 4: Simplify right side
    4,928.56x = 19,978,804.66
  5. Step 5: Solve for x
    x = 19,978,804.66/4,928.56
  6. Step 6: Final answer
    x = 4,053.68

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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.