Home / 5,442.75-7,511.92-3,086.28

Finding the Fourth Proportional to 5,442.75, 7,511.92 and 3,086.28

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Solution

The fourth proportional to 5,442.75, 7,511.92 and 3,086.28 is: 4,259.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.75 : 7,511.92 = 3,086.28 : x
  2. Step 2: Convert to fraction form
    5,442.75/7,511.92 = 3,086.28/x
  3. Step 3: Cross multiply
    5,442.75x = 7,511.92 × 3,086.28
  4. Step 4: Simplify right side
    5,442.75x = 23,183,880.74
  5. Step 5: Solve for x
    x = 23,183,880.74/5,442.75
  6. Step 6: Final answer
    x = 4,259.59

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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.