Home / 5,511.73-8,266.59-1,615.21

Finding the Fourth Proportional to 5,511.73, 8,266.59 and 1,615.21

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Solution

The fourth proportional to 5,511.73, 8,266.59 and 1,615.21 is: 2,422.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.73 : 8,266.59 = 1,615.21 : x
  2. Step 2: Convert to fraction form
    5,511.73/8,266.59 = 1,615.21/x
  3. Step 3: Cross multiply
    5,511.73x = 8,266.59 × 1,615.21
  4. Step 4: Simplify right side
    5,511.73x = 13,352,278.83
  5. Step 5: Solve for x
    x = 13,352,278.83/5,511.73
  6. Step 6: Final answer
    x = 2,422.52

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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.