Home / 5,351.34-7,384.55-2,961.19

Finding the Fourth Proportional to 5,351.34, 7,384.55 and 2,961.19

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Solution

The fourth proportional to 5,351.34, 7,384.55 and 2,961.19 is: 4,086.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.34 : 7,384.55 = 2,961.19 : x
  2. Step 2: Convert to fraction form
    5,351.34/7,384.55 = 2,961.19/x
  3. Step 3: Cross multiply
    5,351.34x = 7,384.55 × 2,961.19
  4. Step 4: Simplify right side
    5,351.34x = 21,867,022.35
  5. Step 5: Solve for x
    x = 21,867,022.35/5,351.34
  6. Step 6: Final answer
    x = 4,086.27

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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.