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Finding the Fourth Proportional to 8,883.77, 12,258.63 and 4,904.63

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Solution

The fourth proportional to 8,883.77, 12,258.63 and 4,904.63 is: 6,767.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,883.77 : 12,258.63 = 4,904.63 : x
  2. Step 2: Convert to fraction form
    8,883.77/12,258.63 = 4,904.63/x
  3. Step 3: Cross multiply
    8,883.77x = 12,258.63 × 4,904.63
  4. Step 4: Simplify right side
    8,883.77x = 60,124,044.46
  5. Step 5: Solve for x
    x = 60,124,044.46/8,883.77
  6. Step 6: Final answer
    x = 6,767.85

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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.