Home / 7,986.64-11,022.54-4,842.82

Finding the Fourth Proportional to 7,986.64, 11,022.54 and 4,842.82

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Solution

The fourth proportional to 7,986.64, 11,022.54 and 4,842.82 is: 6,683.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986.64 : 11,022.54 = 4,842.82 : x
  2. Step 2: Convert to fraction form
    7,986.64/11,022.54 = 4,842.82/x
  3. Step 3: Cross multiply
    7,986.64x = 11,022.54 × 4,842.82
  4. Step 4: Simplify right side
    7,986.64x = 53,380,177.16
  5. Step 5: Solve for x
    x = 53,380,177.16/7,986.64
  6. Step 6: Final answer
    x = 6,683.68

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1.5x scale

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.