Home / 5,234.94-7,854.57-2,638.62

Finding the Fourth Proportional to 5,234.94, 7,854.57 and 2,638.62

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Solution

The fourth proportional to 5,234.94, 7,854.57 and 2,638.62 is: 3,959.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.94 : 7,854.57 = 2,638.62 : x
  2. Step 2: Convert to fraction form
    5,234.94/7,854.57 = 2,638.62/x
  3. Step 3: Cross multiply
    5,234.94x = 7,854.57 × 2,638.62
  4. Step 4: Simplify right side
    5,234.94x = 20,725,225.49
  5. Step 5: Solve for x
    x = 20,725,225.49/5,234.94
  6. Step 6: Final answer
    x = 3,959.02

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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.