Home / 5,141.92-7,709.61-4,362.19

Finding the Fourth Proportional to 5,141.92, 7,709.61 and 4,362.19

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Solution

The fourth proportional to 5,141.92, 7,709.61 and 4,362.19 is: 6,540.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141.92 : 7,709.61 = 4,362.19 : x
  2. Step 2: Convert to fraction form
    5,141.92/7,709.61 = 4,362.19/x
  3. Step 3: Cross multiply
    5,141.92x = 7,709.61 × 4,362.19
  4. Step 4: Simplify right side
    5,141.92x = 33,630,745.10
  5. Step 5: Solve for x
    x = 33,630,745.10/5,141.92
  6. Step 6: Final answer
    x = 6,540.51

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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.