Home / 8,432.94-12,649.35-2,589.39

Finding the Fourth Proportional to 8,432.94, 12,649.35 and 2,589.39

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Solution

The fourth proportional to 8,432.94, 12,649.35 and 2,589.39 is: 3,884.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.94 : 12,649.35 = 2,589.39 : x
  2. Step 2: Convert to fraction form
    8,432.94/12,649.35 = 2,589.39/x
  3. Step 3: Cross multiply
    8,432.94x = 12,649.35 × 2,589.39
  4. Step 4: Simplify right side
    8,432.94x = 32,754,100.40
  5. Step 5: Solve for x
    x = 32,754,100.40/8,432.94
  6. Step 6: Final answer
    x = 3,884.07

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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.