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Finding the Fourth Proportional to 8,876.77, 12,250.02 and 4,897.84

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Solution

The fourth proportional to 8,876.77, 12,250.02 and 4,897.84 is: 6,759.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.77 : 12,250.02 = 4,897.84 : x
  2. Step 2: Convert to fraction form
    8,876.77/12,250.02 = 4,897.84/x
  3. Step 3: Cross multiply
    8,876.77x = 12,250.02 × 4,897.84
  4. Step 4: Simplify right side
    8,876.77x = 59,998,637.96
  5. Step 5: Solve for x
    x = 59,998,637.96/8,876.77
  6. Step 6: Final answer
    x = 6,759.06

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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.