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Finding the Fourth Proportional to 5,395.22, 8,094.22 and 2,929.40

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Solution

The fourth proportional to 5,395.22, 8,094.22 and 2,929.40 is: 4,394.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.22 : 8,094.22 = 2,929.40 : x
  2. Step 2: Convert to fraction form
    5,395.22/8,094.22 = 2,929.40/x
  3. Step 3: Cross multiply
    5,395.22x = 8,094.22 × 2,929.40
  4. Step 4: Simplify right side
    5,395.22x = 23,711,208.07
  5. Step 5: Solve for x
    x = 23,711,208.07/5,395.22
  6. Step 6: Final answer
    x = 4,394.85

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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.