Home / 6,161.82-8,505.16-5,331.45

Finding the Fourth Proportional to 6,161.82, 8,505.16 and 5,331.45

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Solution

The fourth proportional to 6,161.82, 8,505.16 and 5,331.45 is: 7,359.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,161.82 : 8,505.16 = 5,331.45 : x
  2. Step 2: Convert to fraction form
    6,161.82/8,505.16 = 5,331.45/x
  3. Step 3: Cross multiply
    6,161.82x = 8,505.16 × 5,331.45
  4. Step 4: Simplify right side
    6,161.82x = 45,344,819.57
  5. Step 5: Solve for x
    x = 45,344,819.57/6,161.82
  6. Step 6: Final answer
    x = 7,359.00

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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.