Home / 4,947.96-6,821.34-4,794.60

Finding the Fourth Proportional to 4,947.96, 6,821.34 and 4,794.60

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Solution

The fourth proportional to 4,947.96, 6,821.34 and 4,794.60 is: 6,609.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.96 : 6,821.34 = 4,794.60 : x
  2. Step 2: Convert to fraction form
    4,947.96/6,821.34 = 4,794.60/x
  3. Step 3: Cross multiply
    4,947.96x = 6,821.34 × 4,794.60
  4. Step 4: Simplify right side
    4,947.96x = 32,705,596.76
  5. Step 5: Solve for x
    x = 32,705,596.76/4,947.96
  6. Step 6: Final answer
    x = 6,609.92

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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.