Home / 4,910.16-6,776.07-2,672.09

Finding the Fourth Proportional to 4,910.16, 6,776.07 and 2,672.09

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Solution

The fourth proportional to 4,910.16, 6,776.07 and 2,672.09 is: 3,687.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.16 : 6,776.07 = 2,672.09 : x
  2. Step 2: Convert to fraction form
    4,910.16/6,776.07 = 2,672.09/x
  3. Step 3: Cross multiply
    4,910.16x = 6,776.07 × 2,672.09
  4. Step 4: Simplify right side
    4,910.16x = 18,106,268.89
  5. Step 5: Solve for x
    x = 18,106,268.89/4,910.16
  6. Step 6: Final answer
    x = 3,687.51

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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.