Home / 6,770.72-10,156.80-1,840.43

Finding the Fourth Proportional to 6,770.72, 10,156.80 and 1,840.43

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Solution

The fourth proportional to 6,770.72, 10,156.80 and 1,840.43 is: 2,760.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,770.72 : 10,156.80 = 1,840.43 : x
  2. Step 2: Convert to fraction form
    6,770.72/10,156.80 = 1,840.43/x
  3. Step 3: Cross multiply
    6,770.72x = 10,156.80 × 1,840.43
  4. Step 4: Simplify right side
    6,770.72x = 18,692,879.42
  5. Step 5: Solve for x
    x = 18,692,879.42/6,770.72
  6. Step 6: Final answer
    x = 2,760.84

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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.