Home / 8,975.56-13,459.14-3,131.44

Finding the Fourth Proportional to 8,975.56, 13,459.14 and 3,131.44

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Solution

The fourth proportional to 8,975.56, 13,459.14 and 3,131.44 is: 4,695.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.56 : 13,459.14 = 3,131.44 : x
  2. Step 2: Convert to fraction form
    8,975.56/13,459.14 = 3,131.44/x
  3. Step 3: Cross multiply
    8,975.56x = 13,459.14 × 3,131.44
  4. Step 4: Simplify right side
    8,975.56x = 42,146,489.36
  5. Step 5: Solve for x
    x = 42,146,489.36/8,975.56
  6. Step 6: Final answer
    x = 4,695.69

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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.