Home / 4,928.45-7,389.83-2,331.38

Finding the Fourth Proportional to 4,928.45, 7,389.83 and 2,331.38

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Solution

The fourth proportional to 4,928.45, 7,389.83 and 2,331.38 is: 3,495.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.45 : 7,389.83 = 2,331.38 : x
  2. Step 2: Convert to fraction form
    4,928.45/7,389.83 = 2,331.38/x
  3. Step 3: Cross multiply
    4,928.45x = 7,389.83 × 2,331.38
  4. Step 4: Simplify right side
    4,928.45x = 17,228,526.17
  5. Step 5: Solve for x
    x = 17,228,526.17/4,928.45
  6. Step 6: Final answer
    x = 3,495.73

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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.