Home / 4,258.92-6,389.18-1,486.38

Finding the Fourth Proportional to 4,258.92, 6,389.18 and 1,486.38

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Solution

The fourth proportional to 4,258.92, 6,389.18 and 1,486.38 is: 2,229.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.92 : 6,389.18 = 1,486.38 : x
  2. Step 2: Convert to fraction form
    4,258.92/6,389.18 = 1,486.38/x
  3. Step 3: Cross multiply
    4,258.92x = 6,389.18 × 1,486.38
  4. Step 4: Simplify right side
    4,258.92x = 9,496,749.37
  5. Step 5: Solve for x
    x = 9,496,749.37/4,258.92
  6. Step 6: Final answer
    x = 2,229.85

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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.