Home / 5,442.91-7,511.81-3,205.33

Finding the Fourth Proportional to 5,442.91, 7,511.81 and 3,205.33

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Solution

The fourth proportional to 5,442.91, 7,511.81 and 3,205.33 is: 4,423.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.91 : 7,511.81 = 3,205.33 : x
  2. Step 2: Convert to fraction form
    5,442.91/7,511.81 = 3,205.33/x
  3. Step 3: Cross multiply
    5,442.91x = 7,511.81 × 3,205.33
  4. Step 4: Simplify right side
    5,442.91x = 24,077,829.95
  5. Step 5: Solve for x
    x = 24,077,829.95/5,442.91
  6. Step 6: Final answer
    x = 4,423.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.