Home / 8,204.79-11,318.76-4,845.31

Finding the Fourth Proportional to 8,204.79, 11,318.76 and 4,845.31

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Solution

The fourth proportional to 8,204.79, 11,318.76 and 4,845.31 is: 6,684.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,204.79 : 11,318.76 = 4,845.31 : x
  2. Step 2: Convert to fraction form
    8,204.79/11,318.76 = 4,845.31/x
  3. Step 3: Cross multiply
    8,204.79x = 11,318.76 × 4,845.31
  4. Step 4: Simplify right side
    8,204.79x = 54,842,901.02
  5. Step 5: Solve for x
    x = 54,842,901.02/8,204.79
  6. Step 6: Final answer
    x = 6,684.25

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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.