Home / 8,434.05-12,649.44-2,589.09

Finding the Fourth Proportional to 8,434.05, 12,649.44 and 2,589.09

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Solution

The fourth proportional to 8,434.05, 12,649.44 and 2,589.09 is: 3,883.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.05 : 12,649.44 = 2,589.09 : x
  2. Step 2: Convert to fraction form
    8,434.05/12,649.44 = 2,589.09/x
  3. Step 3: Cross multiply
    8,434.05x = 12,649.44 × 2,589.09
  4. Step 4: Simplify right side
    8,434.05x = 32,750,538.61
  5. Step 5: Solve for x
    x = 32,750,538.61/8,434.05
  6. Step 6: Final answer
    x = 3,883.13

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1.5x scale

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.