Home / 4,662.27-6,430.71-3,958.80

Finding the Fourth Proportional to 4,662.27, 6,430.71 and 3,958.80

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Solution

The fourth proportional to 4,662.27, 6,430.71 and 3,958.80 is: 5,460.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,662.27 : 6,430.71 = 3,958.80 : x
  2. Step 2: Convert to fraction form
    4,662.27/6,430.71 = 3,958.80/x
  3. Step 3: Cross multiply
    4,662.27x = 6,430.71 × 3,958.80
  4. Step 4: Simplify right side
    4,662.27x = 25,457,894.75
  5. Step 5: Solve for x
    x = 25,457,894.75/4,662.27
  6. Step 6: Final answer
    x = 5,460.41

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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.