Home / 7,986.55-11,979.92-4,476.01

Finding the Fourth Proportional to 7,986.55, 11,979.92 and 4,476.01

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Solution

The fourth proportional to 7,986.55, 11,979.92 and 4,476.01 is: 6,714.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986.55 : 11,979.92 = 4,476.01 : x
  2. Step 2: Convert to fraction form
    7,986.55/11,979.92 = 4,476.01/x
  3. Step 3: Cross multiply
    7,986.55x = 11,979.92 × 4,476.01
  4. Step 4: Simplify right side
    7,986.55x = 53,622,222.96
  5. Step 5: Solve for x
    x = 53,622,222.96/7,986.55
  6. Step 6: Final answer
    x = 6,714.07

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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.