Home / 8,218.37-11,346.37-5,349.83

Finding the Fourth Proportional to 8,218.37, 11,346.37 and 5,349.83

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Solution

The fourth proportional to 8,218.37, 11,346.37 and 5,349.83 is: 7,386.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218.37 : 11,346.37 = 5,349.83 : x
  2. Step 2: Convert to fraction form
    8,218.37/11,346.37 = 5,349.83/x
  3. Step 3: Cross multiply
    8,218.37x = 11,346.37 × 5,349.83
  4. Step 4: Simplify right side
    8,218.37x = 60,701,150.62
  5. Step 5: Solve for x
    x = 60,701,150.62/8,218.37
  6. Step 6: Final answer
    x = 7,386.03

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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.