Home / 4,928.56-7,381.08-2,731.84

Finding the Fourth Proportional to 4,928.56, 7,381.08 and 2,731.84

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Solution

The fourth proportional to 4,928.56, 7,381.08 and 2,731.84 is: 4,091.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.56 : 7,381.08 = 2,731.84 : x
  2. Step 2: Convert to fraction form
    4,928.56/7,381.08 = 2,731.84/x
  3. Step 3: Cross multiply
    4,928.56x = 7,381.08 × 2,731.84
  4. Step 4: Simplify right side
    4,928.56x = 20,163,929.59
  5. Step 5: Solve for x
    x = 20,163,929.59/4,928.56
  6. Step 6: Final answer
    x = 4,091.24

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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.