Home / 7,448.88-11,166.60-2,828.56

Finding the Fourth Proportional to 7,448.88, 11,166.60 and 2,828.56

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Solution

The fourth proportional to 7,448.88, 11,166.60 and 2,828.56 is: 4,240.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.88 : 11,166.60 = 2,828.56 : x
  2. Step 2: Convert to fraction form
    7,448.88/11,166.60 = 2,828.56/x
  3. Step 3: Cross multiply
    7,448.88x = 11,166.60 × 2,828.56
  4. Step 4: Simplify right side
    7,448.88x = 31,585,398.10
  5. Step 5: Solve for x
    x = 31,585,398.10/7,448.88
  6. Step 6: Final answer
    x = 4,240.29

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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.