Home / 7,909.26-11,855.79-2,975.46

Finding the Fourth Proportional to 7,909.26, 11,855.79 and 2,975.46

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Solution

The fourth proportional to 7,909.26, 11,855.79 and 2,975.46 is: 4,460.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,909.26 : 11,855.79 = 2,975.46 : x
  2. Step 2: Convert to fraction form
    7,909.26/11,855.79 = 2,975.46/x
  3. Step 3: Cross multiply
    7,909.26x = 11,855.79 × 2,975.46
  4. Step 4: Simplify right side
    7,909.26x = 35,276,428.91
  5. Step 5: Solve for x
    x = 35,276,428.91/7,909.26
  6. Step 6: Final answer
    x = 4,460.14

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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.