Home / 10,670.09-16,005.42-2,878.88

Finding the Fourth Proportional to 10,670.09, 16,005.42 and 2,878.88

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Solution

The fourth proportional to 10,670.09, 16,005.42 and 2,878.88 is: 4,318.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,670.09 : 16,005.42 = 2,878.88 : x
  2. Step 2: Convert to fraction form
    10,670.09/16,005.42 = 2,878.88/x
  3. Step 3: Cross multiply
    10,670.09x = 16,005.42 × 2,878.88
  4. Step 4: Simplify right side
    10,670.09x = 46,077,603.50
  5. Step 5: Solve for x
    x = 46,077,603.50/10,670.09
  6. Step 6: Final answer
    x = 4,318.39

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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.