Home / 4,740.85-7,112.27-1,819.14

Finding the Fourth Proportional to 4,740.85, 7,112.27 and 1,819.14

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Solution

The fourth proportional to 4,740.85, 7,112.27 and 1,819.14 is: 2,729.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.85 : 7,112.27 = 1,819.14 : x
  2. Step 2: Convert to fraction form
    4,740.85/7,112.27 = 1,819.14/x
  3. Step 3: Cross multiply
    4,740.85x = 7,112.27 × 1,819.14
  4. Step 4: Simplify right side
    4,740.85x = 12,938,214.85
  5. Step 5: Solve for x
    x = 12,938,214.85/4,740.85
  6. Step 6: Final answer
    x = 2,729.09

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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.