Home / 5,010.31-6,913.86-2,771.68

Finding the Fourth Proportional to 5,010.31, 6,913.86 and 2,771.68

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Solution

The fourth proportional to 5,010.31, 6,913.86 and 2,771.68 is: 3,824.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.31 : 6,913.86 = 2,771.68 : x
  2. Step 2: Convert to fraction form
    5,010.31/6,913.86 = 2,771.68/x
  3. Step 3: Cross multiply
    5,010.31x = 6,913.86 × 2,771.68
  4. Step 4: Simplify right side
    5,010.31x = 19,163,007.48
  5. Step 5: Solve for x
    x = 19,163,007.48/5,010.31
  6. Step 6: Final answer
    x = 3,824.71

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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.