Home / 4,921.86-7,382.17-2,150.44

Finding the Fourth Proportional to 4,921.86, 7,382.17 and 2,150.44

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Solution

The fourth proportional to 4,921.86, 7,382.17 and 2,150.44 is: 3,225.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.86 : 7,382.17 = 2,150.44 : x
  2. Step 2: Convert to fraction form
    4,921.86/7,382.17 = 2,150.44/x
  3. Step 3: Cross multiply
    4,921.86x = 7,382.17 × 2,150.44
  4. Step 4: Simplify right side
    4,921.86x = 15,874,913.65
  5. Step 5: Solve for x
    x = 15,874,913.65/4,921.86
  6. Step 6: Final answer
    x = 3,225.39

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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.