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Finding the Fourth Proportional to 8,883.17, 12,258.77 and 4,904.28

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Solution

The fourth proportional to 8,883.17, 12,258.77 and 4,904.28 is: 6,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,883.17 : 12,258.77 = 4,904.28 : x
  2. Step 2: Convert to fraction form
    8,883.17/12,258.77 = 4,904.28/x
  3. Step 3: Cross multiply
    8,883.17x = 12,258.77 × 4,904.28
  4. Step 4: Simplify right side
    8,883.17x = 60,120,440.54
  5. Step 5: Solve for x
    x = 60,120,440.54/8,883.17
  6. Step 6: Final answer
    x = 6,767.90

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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.