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Finding the Fourth Proportional to 8,999.84, 13,496.51 and 3,806.12

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Solution

The fourth proportional to 8,999.84, 13,496.51 and 3,806.12 is: 5,707.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.84 : 13,496.51 = 3,806.12 : x
  2. Step 2: Convert to fraction form
    8,999.84/13,496.51 = 3,806.12/x
  3. Step 3: Cross multiply
    8,999.84x = 13,496.51 × 3,806.12
  4. Step 4: Simplify right side
    8,999.84x = 51,369,336.64
  5. Step 5: Solve for x
    x = 51,369,336.64/8,999.84
  6. Step 6: Final answer
    x = 5,707.81

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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.