Home / 9,221.50-13,832.11-4,288.38

Finding the Fourth Proportional to 9,221.50, 13,832.11 and 4,288.38

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Solution

The fourth proportional to 9,221.50, 13,832.11 and 4,288.38 is: 6,432.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,221.50 : 13,832.11 = 4,288.38 : x
  2. Step 2: Convert to fraction form
    9,221.50/13,832.11 = 4,288.38/x
  3. Step 3: Cross multiply
    9,221.50x = 13,832.11 × 4,288.38
  4. Step 4: Simplify right side
    9,221.50x = 59,317,343.88
  5. Step 5: Solve for x
    x = 59,317,343.88/9,221.50
  6. Step 6: Final answer
    x = 6,432.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.