Home / 6,178.54-8,527.26-3,939.70

Finding the Fourth Proportional to 6,178.54, 8,527.26 and 3,939.70

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Solution

The fourth proportional to 6,178.54, 8,527.26 and 3,939.70 is: 5,437.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,178.54 : 8,527.26 = 3,939.70 : x
  2. Step 2: Convert to fraction form
    6,178.54/8,527.26 = 3,939.70/x
  3. Step 3: Cross multiply
    6,178.54x = 8,527.26 × 3,939.70
  4. Step 4: Simplify right side
    6,178.54x = 33,594,846.22
  5. Step 5: Solve for x
    x = 33,594,846.22/6,178.54
  6. Step 6: Final answer
    x = 5,437.34

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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.