Home / 7,502.23-11,258.21-4,221.73

Finding the Fourth Proportional to 7,502.23, 11,258.21 and 4,221.73

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Solution

The fourth proportional to 7,502.23, 11,258.21 and 4,221.73 is: 6,335.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,502.23 : 11,258.21 = 4,221.73 : x
  2. Step 2: Convert to fraction form
    7,502.23/11,258.21 = 4,221.73/x
  3. Step 3: Cross multiply
    7,502.23x = 11,258.21 × 4,221.73
  4. Step 4: Simplify right side
    7,502.23x = 47,529,122.90
  5. Step 5: Solve for x
    x = 47,529,122.90/7,502.23
  6. Step 6: Final answer
    x = 6,335.33

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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.