Home / 5,878.75-8,113.05-3,394.75

Finding the Fourth Proportional to 5,878.75, 8,113.05 and 3,394.75

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Solution

The fourth proportional to 5,878.75, 8,113.05 and 3,394.75 is: 4,684.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.75 : 8,113.05 = 3,394.75 : x
  2. Step 2: Convert to fraction form
    5,878.75/8,113.05 = 3,394.75/x
  3. Step 3: Cross multiply
    5,878.75x = 8,113.05 × 3,394.75
  4. Step 4: Simplify right side
    5,878.75x = 27,541,776.49
  5. Step 5: Solve for x
    x = 27,541,776.49/5,878.75
  6. Step 6: Final answer
    x = 4,684.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.