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Finding the Fourth Proportional to 8,770.58, 12,102.96 and 4,790.96

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Solution

The fourth proportional to 8,770.58, 12,102.96 and 4,790.96 is: 6,611.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.58 : 12,102.96 = 4,790.96 : x
  2. Step 2: Convert to fraction form
    8,770.58/12,102.96 = 4,790.96/x
  3. Step 3: Cross multiply
    8,770.58x = 12,102.96 × 4,790.96
  4. Step 4: Simplify right side
    8,770.58x = 57,984,797.24
  5. Step 5: Solve for x
    x = 57,984,797.24/8,770.58
  6. Step 6: Final answer
    x = 6,611.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.