Home / 4,923.65-7,385.93-1,961.38

Finding the Fourth Proportional to 4,923.65, 7,385.93 and 1,961.38

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Solution

The fourth proportional to 4,923.65, 7,385.93 and 1,961.38 is: 2,942.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.65 : 7,385.93 = 1,961.38 : x
  2. Step 2: Convert to fraction form
    4,923.65/7,385.93 = 1,961.38/x
  3. Step 3: Cross multiply
    4,923.65x = 7,385.93 × 1,961.38
  4. Step 4: Simplify right side
    4,923.65x = 14,486,622.16
  5. Step 5: Solve for x
    x = 14,486,622.16/4,923.65
  6. Step 6: Final answer
    x = 2,942.25

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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.