Home / 7,323.75-10,106.78-4,179.87

Finding the Fourth Proportional to 7,323.75, 10,106.78 and 4,179.87

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Solution

The fourth proportional to 7,323.75, 10,106.78 and 4,179.87 is: 5,768.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,323.75 : 10,106.78 = 4,179.87 : x
  2. Step 2: Convert to fraction form
    7,323.75/10,106.78 = 4,179.87/x
  3. Step 3: Cross multiply
    7,323.75x = 10,106.78 × 4,179.87
  4. Step 4: Simplify right side
    7,323.75x = 42,245,005.62
  5. Step 5: Solve for x
    x = 42,245,005.62/7,323.75
  6. Step 6: Final answer
    x = 5,768.22

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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.