Home / 7,986.56-11,975.80-4,655.88

Finding the Fourth Proportional to 7,986.56, 11,975.80 and 4,655.88

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Solution

The fourth proportional to 7,986.56, 11,975.80 and 4,655.88 is: 6,981.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986.56 : 11,975.80 = 4,655.88 : x
  2. Step 2: Convert to fraction form
    7,986.56/11,975.80 = 4,655.88/x
  3. Step 3: Cross multiply
    7,986.56x = 11,975.80 × 4,655.88
  4. Step 4: Simplify right side
    7,986.56x = 55,757,887.70
  5. Step 5: Solve for x
    x = 55,757,887.70/7,986.56
  6. Step 6: Final answer
    x = 6,981.46

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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.