Home / 4,258.88-6,388.50-1,337.12

Finding the Fourth Proportional to 4,258.88, 6,388.50 and 1,337.12

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Solution

The fourth proportional to 4,258.88, 6,388.50 and 1,337.12 is: 2,005.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.88 : 6,388.50 = 1,337.12 : x
  2. Step 2: Convert to fraction form
    4,258.88/6,388.50 = 1,337.12/x
  3. Step 3: Cross multiply
    4,258.88x = 6,388.50 × 1,337.12
  4. Step 4: Simplify right side
    4,258.88x = 8,542,191.12
  5. Step 5: Solve for x
    x = 8,542,191.12/4,258.88
  6. Step 6: Final answer
    x = 2,005.74

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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.