Home / 4,259.40-6,388.92-1,337.64

Finding the Fourth Proportional to 4,259.40, 6,388.92 and 1,337.64

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Solution

The fourth proportional to 4,259.40, 6,388.92 and 1,337.64 is: 2,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.40 : 6,388.92 = 1,337.64 : x
  2. Step 2: Convert to fraction form
    4,259.40/6,388.92 = 1,337.64/x
  3. Step 3: Cross multiply
    4,259.40x = 6,388.92 × 1,337.64
  4. Step 4: Simplify right side
    4,259.40x = 8,546,074.95
  5. Step 5: Solve for x
    x = 8,546,074.95/4,259.40
  6. Step 6: Final answer
    x = 2,006.40

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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.