Home / 5,615.26-8,422.88-1,511.26

Finding the Fourth Proportional to 5,615.26, 8,422.88 and 1,511.26

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Solution

The fourth proportional to 5,615.26, 8,422.88 and 1,511.26 is: 2,266.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.26 : 8,422.88 = 1,511.26 : x
  2. Step 2: Convert to fraction form
    5,615.26/8,422.88 = 1,511.26/x
  3. Step 3: Cross multiply
    5,615.26x = 8,422.88 × 1,511.26
  4. Step 4: Simplify right side
    5,615.26x = 12,729,161.63
  5. Step 5: Solve for x
    x = 12,729,161.63/5,615.26
  6. Step 6: Final answer
    x = 2,266.89

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Similar ratio
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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.