Home / 4,976.10-7,448.16-2,632.80

Finding the Fourth Proportional to 4,976.10, 7,448.16 and 2,632.80

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Solution

The fourth proportional to 4,976.10, 7,448.16 and 2,632.80 is: 3,940.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.10 : 7,448.16 = 2,632.80 : x
  2. Step 2: Convert to fraction form
    4,976.10/7,448.16 = 2,632.80/x
  3. Step 3: Cross multiply
    4,976.10x = 7,448.16 × 2,632.80
  4. Step 4: Simplify right side
    4,976.10x = 19,609,515.65
  5. Step 5: Solve for x
    x = 19,609,515.65/4,976.10
  6. Step 6: Final answer
    x = 3,940.74

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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.