Home / 7,320.57-10,102.38-3,963.41

Finding the Fourth Proportional to 7,320.57, 10,102.38 and 3,963.41

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Solution

The fourth proportional to 7,320.57, 10,102.38 and 3,963.41 is: 5,469.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.57 : 10,102.38 = 3,963.41 : x
  2. Step 2: Convert to fraction form
    7,320.57/10,102.38 = 3,963.41/x
  3. Step 3: Cross multiply
    7,320.57x = 10,102.38 × 3,963.41
  4. Step 4: Simplify right side
    7,320.57x = 40,039,926.66
  5. Step 5: Solve for x
    x = 40,039,926.66/7,320.57
  6. Step 6: Final answer
    x = 5,469.51

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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.