Home / 8,621.97-12,907.44-5,324.46

Finding the Fourth Proportional to 8,621.97, 12,907.44 and 5,324.46

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Solution

The fourth proportional to 8,621.97, 12,907.44 and 5,324.46 is: 7,970.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621.97 : 12,907.44 = 5,324.46 : x
  2. Step 2: Convert to fraction form
    8,621.97/12,907.44 = 5,324.46/x
  3. Step 3: Cross multiply
    8,621.97x = 12,907.44 × 5,324.46
  4. Step 4: Simplify right side
    8,621.97x = 68,725,147.98
  5. Step 5: Solve for x
    x = 68,725,147.98/8,621.97
  6. Step 6: Final answer
    x = 7,970.93

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1.5x scale

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.