Home / 8,857.21-12,222.96-4,878.33

Finding the Fourth Proportional to 8,857.21, 12,222.96 and 4,878.33

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Solution

The fourth proportional to 8,857.21, 12,222.96 and 4,878.33 is: 6,732.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.21 : 12,222.96 = 4,878.33 : x
  2. Step 2: Convert to fraction form
    8,857.21/12,222.96 = 4,878.33/x
  3. Step 3: Cross multiply
    8,857.21x = 12,222.96 × 4,878.33
  4. Step 4: Simplify right side
    8,857.21x = 59,627,632.46
  5. Step 5: Solve for x
    x = 59,627,632.46/8,857.21
  6. Step 6: Final answer
    x = 6,732.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.