Home / 7,986.05-11,979.17-4,475.51

Finding the Fourth Proportional to 7,986.05, 11,979.17 and 4,475.51

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Solution

The fourth proportional to 7,986.05, 11,979.17 and 4,475.51 is: 6,713.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986.05 : 11,979.17 = 4,475.51 : x
  2. Step 2: Convert to fraction form
    7,986.05/11,979.17 = 4,475.51/x
  3. Step 3: Cross multiply
    7,986.05x = 11,979.17 × 4,475.51
  4. Step 4: Simplify right side
    7,986.05x = 53,612,895.13
  5. Step 5: Solve for x
    x = 53,612,895.13/7,986.05
  6. Step 6: Final answer
    x = 6,713.32

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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.