Home / 5,910.40-8,867.64-2,625.80

Finding the Fourth Proportional to 5,910.40, 8,867.64 and 2,625.80

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Solution

The fourth proportional to 5,910.40, 8,867.64 and 2,625.80 is: 3,939.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.40 : 8,867.64 = 2,625.80 : x
  2. Step 2: Convert to fraction form
    5,910.40/8,867.64 = 2,625.80/x
  3. Step 3: Cross multiply
    5,910.40x = 8,867.64 × 2,625.80
  4. Step 4: Simplify right side
    5,910.40x = 23,284,649.11
  5. Step 5: Solve for x
    x = 23,284,649.11/5,910.40
  6. Step 6: Final answer
    x = 3,939.61

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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.