Home / 7,845.79-10,827.36-4,308.97

Finding the Fourth Proportional to 7,845.79, 10,827.36 and 4,308.97

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Solution

The fourth proportional to 7,845.79, 10,827.36 and 4,308.97 is: 5,946.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.79 : 10,827.36 = 4,308.97 : x
  2. Step 2: Convert to fraction form
    7,845.79/10,827.36 = 4,308.97/x
  3. Step 3: Cross multiply
    7,845.79x = 10,827.36 × 4,308.97
  4. Step 4: Simplify right side
    7,845.79x = 46,654,769.42
  5. Step 5: Solve for x
    x = 46,654,769.42/7,845.79
  6. Step 6: Final answer
    x = 5,946.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.