Home / 4,259.18-6,389.80-1,337.48

Finding the Fourth Proportional to 4,259.18, 6,389.80 and 1,337.48

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Solution

The fourth proportional to 4,259.18, 6,389.80 and 1,337.48 is: 2,006.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.18 : 6,389.80 = 1,337.48 : x
  2. Step 2: Convert to fraction form
    4,259.18/6,389.80 = 1,337.48/x
  3. Step 3: Cross multiply
    4,259.18x = 6,389.80 × 1,337.48
  4. Step 4: Simplify right side
    4,259.18x = 8,546,229.70
  5. Step 5: Solve for x
    x = 8,546,229.70/4,259.18
  6. Step 6: Final answer
    x = 2,006.54

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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.