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Finding the Fourth Proportional to 4,448.88, 6,137.48 and 2,934.48

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Solution

The fourth proportional to 4,448.88, 6,137.48 and 2,934.48 is: 4,048.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,448.88 : 6,137.48 = 2,934.48 : x
  2. Step 2: Convert to fraction form
    4,448.88/6,137.48 = 2,934.48/x
  3. Step 3: Cross multiply
    4,448.88x = 6,137.48 × 2,934.48
  4. Step 4: Simplify right side
    4,448.88x = 18,010,312.31
  5. Step 5: Solve for x
    x = 18,010,312.31/4,448.88
  6. Step 6: Final answer
    x = 4,048.28

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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.