Home / 10,710.75-16,066.35-2,919.78

Finding the Fourth Proportional to 10,710.75, 16,066.35 and 2,919.78

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Solution

The fourth proportional to 10,710.75, 16,066.35 and 2,919.78 is: 4,379.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,710.75 : 16,066.35 = 2,919.78 : x
  2. Step 2: Convert to fraction form
    10,710.75/16,066.35 = 2,919.78/x
  3. Step 3: Cross multiply
    10,710.75x = 16,066.35 × 2,919.78
  4. Step 4: Simplify right side
    10,710.75x = 46,910,207.40
  5. Step 5: Solve for x
    x = 46,910,207.40/10,710.75
  6. Step 6: Final answer
    x = 4,379.73

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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.