Home / 9,355.11-12,912.27-5,816.22

Finding the Fourth Proportional to 9,355.11, 12,912.27 and 5,816.22

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Solution

The fourth proportional to 9,355.11, 12,912.27 and 5,816.22 is: 8,027.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,355.11 : 12,912.27 = 5,816.22 : x
  2. Step 2: Convert to fraction form
    9,355.11/12,912.27 = 5,816.22/x
  3. Step 3: Cross multiply
    9,355.11x = 12,912.27 × 5,816.22
  4. Step 4: Simplify right side
    9,355.11x = 75,100,603.02
  5. Step 5: Solve for x
    x = 75,100,603.02/9,355.11
  6. Step 6: Final answer
    x = 8,027.76

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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.