Home / 4,738.48-7,110.16-2,140.88

Finding the Fourth Proportional to 4,738.48, 7,110.16 and 2,140.88

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Solution

The fourth proportional to 4,738.48, 7,110.16 and 2,140.88 is: 3,212.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.48 : 7,110.16 = 2,140.88 : x
  2. Step 2: Convert to fraction form
    4,738.48/7,110.16 = 2,140.88/x
  3. Step 3: Cross multiply
    4,738.48x = 7,110.16 × 2,140.88
  4. Step 4: Simplify right side
    4,738.48x = 15,221,999.34
  5. Step 5: Solve for x
    x = 15,221,999.34/4,738.48
  6. Step 6: Final answer
    x = 3,212.42

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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.