Home / 6,220.96-9,318-2,929.12

Finding the Fourth Proportional to 6,220.96, 9,318 and 2,929.12

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Solution

The fourth proportional to 6,220.96, 9,318 and 2,929.12 is: 4,387.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.96 : 9,318 = 2,929.12 : x
  2. Step 2: Convert to fraction form
    6,220.96/9,318 = 2,929.12/x
  3. Step 3: Cross multiply
    6,220.96x = 9,318 × 2,929.12
  4. Step 4: Simplify right side
    6,220.96x = 27,293,540.16
  5. Step 5: Solve for x
    x = 27,293,540.16/6,220.96
  6. Step 6: Final answer
    x = 4,387.35

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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.