Home / 8,163.69-11,262.65-5,330.15

Finding the Fourth Proportional to 8,163.69, 11,262.65 and 5,330.15

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Solution

The fourth proportional to 8,163.69, 11,262.65 and 5,330.15 is: 7,353.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.69 : 11,262.65 = 5,330.15 : x
  2. Step 2: Convert to fraction form
    8,163.69/11,262.65 = 5,330.15/x
  3. Step 3: Cross multiply
    8,163.69x = 11,262.65 × 5,330.15
  4. Step 4: Simplify right side
    8,163.69x = 60,031,573.17
  5. Step 5: Solve for x
    x = 60,031,573.17/8,163.69
  6. Step 6: Final answer
    x = 7,353.49

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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.