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Finding the Fourth Proportional to 8,804.84, 13,197.90 and 4,120.89

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Solution

The fourth proportional to 8,804.84, 13,197.90 and 4,120.89 is: 6,176.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,804.84 : 13,197.90 = 4,120.89 : x
  2. Step 2: Convert to fraction form
    8,804.84/13,197.90 = 4,120.89/x
  3. Step 3: Cross multiply
    8,804.84x = 13,197.90 × 4,120.89
  4. Step 4: Simplify right side
    8,804.84x = 54,387,094.13
  5. Step 5: Solve for x
    x = 54,387,094.13/8,804.84
  6. Step 6: Final answer
    x = 6,176.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.