Home / 5,921.11-8,170.00-3,563.40

Finding the Fourth Proportional to 5,921.11, 8,170.00 and 3,563.40

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Solution

The fourth proportional to 5,921.11, 8,170.00 and 3,563.40 is: 4,916.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.11 : 8,170.00 = 3,563.40 : x
  2. Step 2: Convert to fraction form
    5,921.11/8,170.00 = 3,563.40/x
  3. Step 3: Cross multiply
    5,921.11x = 8,170.00 × 3,563.40
  4. Step 4: Simplify right side
    5,921.11x = 29,112,999.73
  5. Step 5: Solve for x
    x = 29,112,999.73/5,921.11
  6. Step 6: Final answer
    x = 4,916.81

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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.