Home / 9,394.89-14,094.49-2,821.20

Finding the Fourth Proportional to 9,394.89, 14,094.49 and 2,821.20

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Solution

The fourth proportional to 9,394.89, 14,094.49 and 2,821.20 is: 4,232.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,394.89 : 14,094.49 = 2,821.20 : x
  2. Step 2: Convert to fraction form
    9,394.89/14,094.49 = 2,821.20/x
  3. Step 3: Cross multiply
    9,394.89x = 14,094.49 × 2,821.20
  4. Step 4: Simplify right side
    9,394.89x = 39,763,320.57
  5. Step 5: Solve for x
    x = 39,763,320.57/9,394.89
  6. Step 6: Final answer
    x = 4,232.44

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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.