Home / 5,219.41-7,827.06-1,930.25

Finding the Fourth Proportional to 5,219.41, 7,827.06 and 1,930.25

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Solution

The fourth proportional to 5,219.41, 7,827.06 and 1,930.25 is: 2,894.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.41 : 7,827.06 = 1,930.25 : x
  2. Step 2: Convert to fraction form
    5,219.41/7,827.06 = 1,930.25/x
  3. Step 3: Cross multiply
    5,219.41x = 7,827.06 × 1,930.25
  4. Step 4: Simplify right side
    5,219.41x = 15,108,182.57
  5. Step 5: Solve for x
    x = 15,108,182.57/5,219.41
  6. Step 6: Final answer
    x = 2,894.62

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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.