Home / 9,218.68-13,829.82-2,980.26

Finding the Fourth Proportional to 9,218.68, 13,829.82 and 2,980.26

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Solution

The fourth proportional to 9,218.68, 13,829.82 and 2,980.26 is: 4,470.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218.68 : 13,829.82 = 2,980.26 : x
  2. Step 2: Convert to fraction form
    9,218.68/13,829.82 = 2,980.26/x
  3. Step 3: Cross multiply
    9,218.68x = 13,829.82 × 2,980.26
  4. Step 4: Simplify right side
    9,218.68x = 41,216,459.35
  5. Step 5: Solve for x
    x = 41,216,459.35/9,218.68
  6. Step 6: Final answer
    x = 4,470.97

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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.