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Finding the Fourth Proportional to 8,852.76, 12,217.92 and 5,076.54

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Solution

The fourth proportional to 8,852.76, 12,217.92 and 5,076.54 is: 7,006.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,852.76 : 12,217.92 = 5,076.54 : x
  2. Step 2: Convert to fraction form
    8,852.76/12,217.92 = 5,076.54/x
  3. Step 3: Cross multiply
    8,852.76x = 12,217.92 × 5,076.54
  4. Step 4: Simplify right side
    8,852.76x = 62,024,759.60
  5. Step 5: Solve for x
    x = 62,024,759.60/8,852.76
  6. Step 6: Final answer
    x = 7,006.26

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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.