Home / 6,840.11-9,434.67-4,188.83

Finding the Fourth Proportional to 6,840.11, 9,434.67 and 4,188.83

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Solution

The fourth proportional to 6,840.11, 9,434.67 and 4,188.83 is: 5,777.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840.11 : 9,434.67 = 4,188.83 : x
  2. Step 2: Convert to fraction form
    6,840.11/9,434.67 = 4,188.83/x
  3. Step 3: Cross multiply
    6,840.11x = 9,434.67 × 4,188.83
  4. Step 4: Simplify right side
    6,840.11x = 39,520,181.56
  5. Step 5: Solve for x
    x = 39,520,181.56/6,840.11
  6. Step 6: Final answer
    x = 5,777.72

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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.