Home / 7,829.55-11,744.37-1,986.17

Finding the Fourth Proportional to 7,829.55, 11,744.37 and 1,986.17

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Solution

The fourth proportional to 7,829.55, 11,744.37 and 1,986.17 is: 2,979.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.55 : 11,744.37 = 1,986.17 : x
  2. Step 2: Convert to fraction form
    7,829.55/11,744.37 = 1,986.17/x
  3. Step 3: Cross multiply
    7,829.55x = 11,744.37 × 1,986.17
  4. Step 4: Simplify right side
    7,829.55x = 23,326,256.64
  5. Step 5: Solve for x
    x = 23,326,256.64/7,829.55
  6. Step 6: Final answer
    x = 2,979.26

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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.