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Finding the Fourth Proportional to 8,773.58, 12,106.08 and 4,996.81

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Solution

The fourth proportional to 8,773.58, 12,106.08 and 4,996.81 is: 6,894.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.58 : 12,106.08 = 4,996.81 : x
  2. Step 2: Convert to fraction form
    8,773.58/12,106.08 = 4,996.81/x
  3. Step 3: Cross multiply
    8,773.58x = 12,106.08 × 4,996.81
  4. Step 4: Simplify right side
    8,773.58x = 60,491,751.34
  5. Step 5: Solve for x
    x = 60,491,751.34/8,773.58
  6. Step 6: Final answer
    x = 6,894.76

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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.