Home / 7,320.93-10,102.83-3,963.75

Finding the Fourth Proportional to 7,320.93, 10,102.83 and 3,963.75

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Solution

The fourth proportional to 7,320.93, 10,102.83 and 3,963.75 is: 5,469.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.93 : 10,102.83 = 3,963.75 : x
  2. Step 2: Convert to fraction form
    7,320.93/10,102.83 = 3,963.75/x
  3. Step 3: Cross multiply
    7,320.93x = 10,102.83 × 3,963.75
  4. Step 4: Simplify right side
    7,320.93x = 40,045,092.41
  5. Step 5: Solve for x
    x = 40,045,092.41/7,320.93
  6. Step 6: Final answer
    x = 5,469.95

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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.