Home / 10,859.75-16,279.22-3,459.41

Finding the Fourth Proportional to 10,859.75, 16,279.22 and 3,459.41

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Solution

The fourth proportional to 10,859.75, 16,279.22 and 3,459.41 is: 5,185.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,859.75 : 16,279.22 = 3,459.41 : x
  2. Step 2: Convert to fraction form
    10,859.75/16,279.22 = 3,459.41/x
  3. Step 3: Cross multiply
    10,859.75x = 16,279.22 × 3,459.41
  4. Step 4: Simplify right side
    10,859.75x = 56,316,496.46
  5. Step 5: Solve for x
    x = 56,316,496.46/10,859.75
  6. Step 6: Final answer
    x = 5,185.80

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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.