Home / 4,910.90-7,365.80-1,448.42

Finding the Fourth Proportional to 4,910.90, 7,365.80 and 1,448.42

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Solution

The fourth proportional to 4,910.90, 7,365.80 and 1,448.42 is: 2,172.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.90 : 7,365.80 = 1,448.42 : x
  2. Step 2: Convert to fraction form
    4,910.90/7,365.80 = 1,448.42/x
  3. Step 3: Cross multiply
    4,910.90x = 7,365.80 × 1,448.42
  4. Step 4: Simplify right side
    4,910.90x = 10,668,738.83
  5. Step 5: Solve for x
    x = 10,668,738.83/4,910.90
  6. Step 6: Final answer
    x = 2,172.46

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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.