Home / 8,163.84-11,272.32-5,373.12

Finding the Fourth Proportional to 8,163.84, 11,272.32 and 5,373.12

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Solution

The fourth proportional to 8,163.84, 11,272.32 and 5,373.12 is: 7,419.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.84 : 11,272.32 = 5,373.12 : x
  2. Step 2: Convert to fraction form
    8,163.84/11,272.32 = 5,373.12/x
  3. Step 3: Cross multiply
    8,163.84x = 11,272.32 × 5,373.12
  4. Step 4: Simplify right side
    8,163.84x = 60,567,528.04
  5. Step 5: Solve for x
    x = 60,567,528.04/8,163.84
  6. Step 6: Final answer
    x = 7,419.00

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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.