Home / 8,037.63-12,111.21-6,608.79

Finding the Fourth Proportional to 8,037.63, 12,111.21 and 6,608.79

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Solution

The fourth proportional to 8,037.63, 12,111.21 and 6,608.79 is: 9,958.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,037.63 : 12,111.21 = 6,608.79 : x
  2. Step 2: Convert to fraction form
    8,037.63/12,111.21 = 6,608.79/x
  3. Step 3: Cross multiply
    8,037.63x = 12,111.21 × 6,608.79
  4. Step 4: Simplify right side
    8,037.63x = 80,040,443.54
  5. Step 5: Solve for x
    x = 80,040,443.54/8,037.63
  6. Step 6: Final answer
    x = 9,958.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.