Home / 8,221.50-12,324.05-4,525.47

Finding the Fourth Proportional to 8,221.50, 12,324.05 and 4,525.47

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Solution

The fourth proportional to 8,221.50, 12,324.05 and 4,525.47 is: 6,783.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,221.50 : 12,324.05 = 4,525.47 : x
  2. Step 2: Convert to fraction form
    8,221.50/12,324.05 = 4,525.47/x
  3. Step 3: Cross multiply
    8,221.50x = 12,324.05 × 4,525.47
  4. Step 4: Simplify right side
    8,221.50x = 55,772,112.90
  5. Step 5: Solve for x
    x = 55,772,112.90/8,221.50
  6. Step 6: Final answer
    x = 6,783.69

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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.