Home / 7,824.15-10,793.70-6,928.80

Finding the Fourth Proportional to 7,824.15, 10,793.70 and 6,928.80

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Solution

The fourth proportional to 7,824.15, 10,793.70 and 6,928.80 is: 9,558.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.15 : 10,793.70 = 6,928.80 : x
  2. Step 2: Convert to fraction form
    7,824.15/10,793.70 = 6,928.80/x
  3. Step 3: Cross multiply
    7,824.15x = 10,793.70 × 6,928.80
  4. Step 4: Simplify right side
    7,824.15x = 74,787,414.54
  5. Step 5: Solve for x
    x = 74,787,414.54/7,824.15
  6. Step 6: Final answer
    x = 9,558.54

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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.