Home / 6,827.38-10,245.06-2,878.40

Finding the Fourth Proportional to 6,827.38, 10,245.06 and 2,878.40

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Solution

The fourth proportional to 6,827.38, 10,245.06 and 2,878.40 is: 4,319.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,827.38 : 10,245.06 = 2,878.40 : x
  2. Step 2: Convert to fraction form
    6,827.38/10,245.06 = 2,878.40/x
  3. Step 3: Cross multiply
    6,827.38x = 10,245.06 × 2,878.40
  4. Step 4: Simplify right side
    6,827.38x = 29,489,357.10
  5. Step 5: Solve for x
    x = 29,489,357.10/6,827.38
  6. Step 6: Final answer
    x = 4,319.28

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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.