Home / 5,511.52-8,266.92-1,615.60

Finding the Fourth Proportional to 5,511.52, 8,266.92 and 1,615.60

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Solution

The fourth proportional to 5,511.52, 8,266.92 and 1,615.60 is: 2,423.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.52 : 8,266.92 = 1,615.60 : x
  2. Step 2: Convert to fraction form
    5,511.52/8,266.92 = 1,615.60/x
  3. Step 3: Cross multiply
    5,511.52x = 8,266.92 × 1,615.60
  4. Step 4: Simplify right side
    5,511.52x = 13,356,035.95
  5. Step 5: Solve for x
    x = 13,356,035.95/5,511.52
  6. Step 6: Final answer
    x = 2,423.29

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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.