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Finding the Fourth Proportional to 8,684.80, 13,033.92 and 3,495.04

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Solution

The fourth proportional to 8,684.80, 13,033.92 and 3,495.04 is: 5,245.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684.80 : 13,033.92 = 3,495.04 : x
  2. Step 2: Convert to fraction form
    8,684.80/13,033.92 = 3,495.04/x
  3. Step 3: Cross multiply
    8,684.80x = 13,033.92 × 3,495.04
  4. Step 4: Simplify right side
    8,684.80x = 45,554,071.76
  5. Step 5: Solve for x
    x = 45,554,071.76/8,684.80
  6. Step 6: Final answer
    x = 5,245.26

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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.