Home / 8,372.45-11,558.55-5,723.75

Finding the Fourth Proportional to 8,372.45, 11,558.55 and 5,723.75

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Solution

The fourth proportional to 8,372.45, 11,558.55 and 5,723.75 is: 7,901.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.45 : 11,558.55 = 5,723.75 : x
  2. Step 2: Convert to fraction form
    8,372.45/11,558.55 = 5,723.75/x
  3. Step 3: Cross multiply
    8,372.45x = 11,558.55 × 5,723.75
  4. Step 4: Simplify right side
    8,372.45x = 66,158,250.56
  5. Step 5: Solve for x
    x = 66,158,250.56/8,372.45
  6. Step 6: Final answer
    x = 7,901.90

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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.