Home / 4,928.63-6,799.86-2,938.91

Finding the Fourth Proportional to 4,928.63, 6,799.86 and 2,938.91

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Solution

The fourth proportional to 4,928.63, 6,799.86 and 2,938.91 is: 4,054.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.63 : 6,799.86 = 2,938.91 : x
  2. Step 2: Convert to fraction form
    4,928.63/6,799.86 = 2,938.91/x
  3. Step 3: Cross multiply
    4,928.63x = 6,799.86 × 2,938.91
  4. Step 4: Simplify right side
    4,928.63x = 19,984,142.55
  5. Step 5: Solve for x
    x = 19,984,142.55/4,928.63
  6. Step 6: Final answer
    x = 4,054.71

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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.