Home / 8,857.23-12,222.90-4,878.26

Finding the Fourth Proportional to 8,857.23, 12,222.90 and 4,878.26

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Solution

The fourth proportional to 8,857.23, 12,222.90 and 4,878.26 is: 6,731.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.23 : 12,222.90 = 4,878.26 : x
  2. Step 2: Convert to fraction form
    8,857.23/12,222.90 = 4,878.26/x
  3. Step 3: Cross multiply
    8,857.23x = 12,222.90 × 4,878.26
  4. Step 4: Simplify right side
    8,857.23x = 59,626,410.84
  5. Step 5: Solve for x
    x = 59,626,410.84/8,857.23
  6. Step 6: Final answer
    x = 6,731.95

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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.