Home / 4,120.29-6,184.55-1,930.59

Finding the Fourth Proportional to 4,120.29, 6,184.55 and 1,930.59

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Solution

The fourth proportional to 4,120.29, 6,184.55 and 1,930.59 is: 2,897.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.29 : 6,184.55 = 1,930.59 : x
  2. Step 2: Convert to fraction form
    4,120.29/6,184.55 = 1,930.59/x
  3. Step 3: Cross multiply
    4,120.29x = 6,184.55 × 1,930.59
  4. Step 4: Simplify right side
    4,120.29x = 11,939,820.73
  5. Step 5: Solve for x
    x = 11,939,820.73/4,120.29
  6. Step 6: Final answer
    x = 2,897.81

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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.