Home / 4,812.72-6,641.68-2,716.96

Finding the Fourth Proportional to 4,812.72, 6,641.68 and 2,716.96

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Solution

The fourth proportional to 4,812.72, 6,641.68 and 2,716.96 is: 3,749.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.72 : 6,641.68 = 2,716.96 : x
  2. Step 2: Convert to fraction form
    4,812.72/6,641.68 = 2,716.96/x
  3. Step 3: Cross multiply
    4,812.72x = 6,641.68 × 2,716.96
  4. Step 4: Simplify right side
    4,812.72x = 18,045,178.89
  5. Step 5: Solve for x
    x = 18,045,178.89/4,812.72
  6. Step 6: Final answer
    x = 3,749.48

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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.