Home / 7,829.52-11,744.69-1,986.18

Finding the Fourth Proportional to 7,829.52, 11,744.69 and 1,986.18

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Solution

The fourth proportional to 7,829.52, 11,744.69 and 1,986.18 is: 2,979.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.52 : 11,744.69 = 1,986.18 : x
  2. Step 2: Convert to fraction form
    7,829.52/11,744.69 = 1,986.18/x
  3. Step 3: Cross multiply
    7,829.52x = 11,744.69 × 1,986.18
  4. Step 4: Simplify right side
    7,829.52x = 23,327,073.35
  5. Step 5: Solve for x
    x = 23,327,073.35/7,829.52
  6. Step 6: Final answer
    x = 2,979.37

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1.5x scale

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.