Home / 5,511.47-8,268.57-1,615.88

Finding the Fourth Proportional to 5,511.47, 8,268.57 and 1,615.88

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Solution

The fourth proportional to 5,511.47, 8,268.57 and 1,615.88 is: 2,424.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.47 : 8,268.57 = 1,615.88 : x
  2. Step 2: Convert to fraction form
    5,511.47/8,268.57 = 1,615.88/x
  3. Step 3: Cross multiply
    5,511.47x = 8,268.57 × 1,615.88
  4. Step 4: Simplify right side
    5,511.47x = 13,360,975.55
  5. Step 5: Solve for x
    x = 13,360,975.55/5,511.47
  6. Step 6: Final answer
    x = 2,424.21

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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.