Home / 8,212.54-12,318.73-5,573.52

Finding the Fourth Proportional to 8,212.54, 12,318.73 and 5,573.52

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Solution

The fourth proportional to 8,212.54, 12,318.73 and 5,573.52 is: 8,360.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212.54 : 12,318.73 = 5,573.52 : x
  2. Step 2: Convert to fraction form
    8,212.54/12,318.73 = 5,573.52/x
  3. Step 3: Cross multiply
    8,212.54x = 12,318.73 × 5,573.52
  4. Step 4: Simplify right side
    8,212.54x = 68,658,688.03
  5. Step 5: Solve for x
    x = 68,658,688.03/8,212.54
  6. Step 6: Final answer
    x = 8,360.23

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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.