Home / 7,320.96-10,102.83-3,963.69

Finding the Fourth Proportional to 7,320.96, 10,102.83 and 3,963.69

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Solution

The fourth proportional to 7,320.96, 10,102.83 and 3,963.69 is: 5,469.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.96 : 10,102.83 = 3,963.69 : x
  2. Step 2: Convert to fraction form
    7,320.96/10,102.83 = 3,963.69/x
  3. Step 3: Cross multiply
    7,320.96x = 10,102.83 × 3,963.69
  4. Step 4: Simplify right side
    7,320.96x = 40,044,486.24
  5. Step 5: Solve for x
    x = 40,044,486.24/7,320.96
  6. Step 6: Final answer
    x = 5,469.84

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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.