Home / 5,178.94-7,768.41-2,060.64

Finding the Fourth Proportional to 5,178.94, 7,768.41 and 2,060.64

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Solution

The fourth proportional to 5,178.94, 7,768.41 and 2,060.64 is: 3,090.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178.94 : 7,768.41 = 2,060.64 : x
  2. Step 2: Convert to fraction form
    5,178.94/7,768.41 = 2,060.64/x
  3. Step 3: Cross multiply
    5,178.94x = 7,768.41 × 2,060.64
  4. Step 4: Simplify right side
    5,178.94x = 16,007,888.66
  5. Step 5: Solve for x
    x = 16,007,888.66/5,178.94
  6. Step 6: Final answer
    x = 3,090.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.