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Finding the Fourth Proportional to 8,859.77, 12,226.47 and 4,880.88

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Solution

The fourth proportional to 8,859.77, 12,226.47 and 4,880.88 is: 6,735.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859.77 : 12,226.47 = 4,880.88 : x
  2. Step 2: Convert to fraction form
    8,859.77/12,226.47 = 4,880.88/x
  3. Step 3: Cross multiply
    8,859.77x = 12,226.47 × 4,880.88
  4. Step 4: Simplify right side
    8,859.77x = 59,675,932.89
  5. Step 5: Solve for x
    x = 59,675,932.89/8,859.77
  6. Step 6: Final answer
    x = 6,735.61

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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.