Home / 7,908.14-11,861.78-4,012.45

Finding the Fourth Proportional to 7,908.14, 11,861.78 and 4,012.45

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Solution

The fourth proportional to 7,908.14, 11,861.78 and 4,012.45 is: 6,018.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.14 : 11,861.78 = 4,012.45 : x
  2. Step 2: Convert to fraction form
    7,908.14/11,861.78 = 4,012.45/x
  3. Step 3: Cross multiply
    7,908.14x = 11,861.78 × 4,012.45
  4. Step 4: Simplify right side
    7,908.14x = 47,594,739.85
  5. Step 5: Solve for x
    x = 47,594,739.85/7,908.14
  6. Step 6: Final answer
    x = 6,018.45

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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.