Home / 4,259.18-6,389.79-1,337.49

Finding the Fourth Proportional to 4,259.18, 6,389.79 and 1,337.49

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Solution

The fourth proportional to 4,259.18, 6,389.79 and 1,337.49 is: 2,006.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.18 : 6,389.79 = 1,337.49 : x
  2. Step 2: Convert to fraction form
    4,259.18/6,389.79 = 1,337.49/x
  3. Step 3: Cross multiply
    4,259.18x = 6,389.79 × 1,337.49
  4. Step 4: Simplify right side
    4,259.18x = 8,546,280.23
  5. Step 5: Solve for x
    x = 8,546,280.23/4,259.18
  6. Step 6: Final answer
    x = 2,006.56

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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.