Home / 7,515.14-11,266.62-3,135.86

Finding the Fourth Proportional to 7,515.14, 11,266.62 and 3,135.86

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Solution

The fourth proportional to 7,515.14, 11,266.62 and 3,135.86 is: 4,701.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.14 : 11,266.62 = 3,135.86 : x
  2. Step 2: Convert to fraction form
    7,515.14/11,266.62 = 3,135.86/x
  3. Step 3: Cross multiply
    7,515.14x = 11,266.62 × 3,135.86
  4. Step 4: Simplify right side
    7,515.14x = 35,330,542.99
  5. Step 5: Solve for x
    x = 35,330,542.99/7,515.14
  6. Step 6: Final answer
    x = 4,701.25

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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.