Home / 5,162.07-7,738.41-1,872.90

Finding the Fourth Proportional to 5,162.07, 7,738.41 and 1,872.90

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Solution

The fourth proportional to 5,162.07, 7,738.41 and 1,872.90 is: 2,807.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.07 : 7,738.41 = 1,872.90 : x
  2. Step 2: Convert to fraction form
    5,162.07/7,738.41 = 1,872.90/x
  3. Step 3: Cross multiply
    5,162.07x = 7,738.41 × 1,872.90
  4. Step 4: Simplify right side
    5,162.07x = 14,493,268.09
  5. Step 5: Solve for x
    x = 14,493,268.09/5,162.07
  6. Step 6: Final answer
    x = 2,807.65

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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.