Home / 4,120.62-6,176.61-1,927.50

Finding the Fourth Proportional to 4,120.62, 6,176.61 and 1,927.50

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Solution

The fourth proportional to 4,120.62, 6,176.61 and 1,927.50 is: 2,889.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.62 : 6,176.61 = 1,927.50 : x
  2. Step 2: Convert to fraction form
    4,120.62/6,176.61 = 1,927.50/x
  3. Step 3: Cross multiply
    4,120.62x = 6,176.61 × 1,927.50
  4. Step 4: Simplify right side
    4,120.62x = 11,905,415.78
  5. Step 5: Solve for x
    x = 11,905,415.78/4,120.62
  6. Step 6: Final answer
    x = 2,889.23

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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.