Home / 5,319.82-7,341.07-2,961.54

Finding the Fourth Proportional to 5,319.82, 7,341.07 and 2,961.54

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Solution

The fourth proportional to 5,319.82, 7,341.07 and 2,961.54 is: 4,086.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.82 : 7,341.07 = 2,961.54 : x
  2. Step 2: Convert to fraction form
    5,319.82/7,341.07 = 2,961.54/x
  3. Step 3: Cross multiply
    5,319.82x = 7,341.07 × 2,961.54
  4. Step 4: Simplify right side
    5,319.82x = 21,740,872.45
  5. Step 5: Solve for x
    x = 21,740,872.45/5,319.82
  6. Step 6: Final answer
    x = 4,086.77

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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.