Home / 4,684.80-6,466.50-2,797.78

Finding the Fourth Proportional to 4,684.80, 6,466.50 and 2,797.78

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Solution

The fourth proportional to 4,684.80, 6,466.50 and 2,797.78 is: 3,861.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,684.80 : 6,466.50 = 2,797.78 : x
  2. Step 2: Convert to fraction form
    4,684.80/6,466.50 = 2,797.78/x
  3. Step 3: Cross multiply
    4,684.80x = 6,466.50 × 2,797.78
  4. Step 4: Simplify right side
    4,684.80x = 18,091,844.37
  5. Step 5: Solve for x
    x = 18,091,844.37/4,684.80
  6. Step 6: Final answer
    x = 3,861.82

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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.