Home / 6,126.46-8,458.70-4,112.89

Finding the Fourth Proportional to 6,126.46, 8,458.70 and 4,112.89

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Solution

The fourth proportional to 6,126.46, 8,458.70 and 4,112.89 is: 5,678.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126.46 : 8,458.70 = 4,112.89 : x
  2. Step 2: Convert to fraction form
    6,126.46/8,458.70 = 4,112.89/x
  3. Step 3: Cross multiply
    6,126.46x = 8,458.70 × 4,112.89
  4. Step 4: Simplify right side
    6,126.46x = 34,789,660.93
  5. Step 5: Solve for x
    x = 34,789,660.93/6,126.46
  6. Step 6: Final answer
    x = 5,678.59

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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.