Home / 4,946.85-7,412.79-2,171.97

Finding the Fourth Proportional to 4,946.85, 7,412.79 and 2,171.97

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Solution

The fourth proportional to 4,946.85, 7,412.79 and 2,171.97 is: 3,254.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,946.85 : 7,412.79 = 2,171.97 : x
  2. Step 2: Convert to fraction form
    4,946.85/7,412.79 = 2,171.97/x
  3. Step 3: Cross multiply
    4,946.85x = 7,412.79 × 2,171.97
  4. Step 4: Simplify right side
    4,946.85x = 16,100,357.50
  5. Step 5: Solve for x
    x = 16,100,357.50/4,946.85
  6. Step 6: Final answer
    x = 3,254.67

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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.