Home / 4,685.80-6,463.78-2,796.84

Finding the Fourth Proportional to 4,685.80, 6,463.78 and 2,796.84

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Solution

The fourth proportional to 4,685.80, 6,463.78 and 2,796.84 is: 3,858.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.80 : 6,463.78 = 2,796.84 : x
  2. Step 2: Convert to fraction form
    4,685.80/6,463.78 = 2,796.84/x
  3. Step 3: Cross multiply
    4,685.80x = 6,463.78 × 2,796.84
  4. Step 4: Simplify right side
    4,685.80x = 18,078,158.46
  5. Step 5: Solve for x
    x = 18,078,158.46/4,685.80
  6. Step 6: Final answer
    x = 3,858.07

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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.