Home / 4,861.42-7,292.97-3,219.28

Finding the Fourth Proportional to 4,861.42, 7,292.97 and 3,219.28

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Solution

The fourth proportional to 4,861.42, 7,292.97 and 3,219.28 is: 4,829.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.42 : 7,292.97 = 3,219.28 : x
  2. Step 2: Convert to fraction form
    4,861.42/7,292.97 = 3,219.28/x
  3. Step 3: Cross multiply
    4,861.42x = 7,292.97 × 3,219.28
  4. Step 4: Simplify right side
    4,861.42x = 23,478,112.46
  5. Step 5: Solve for x
    x = 23,478,112.46/4,861.42
  6. Step 6: Final answer
    x = 4,829.48

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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.