Home / 5,878.57-8,107.21-4,107.13

Finding the Fourth Proportional to 5,878.57, 8,107.21 and 4,107.13

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Solution

The fourth proportional to 5,878.57, 8,107.21 and 4,107.13 is: 5,664.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.57 : 8,107.21 = 4,107.13 : x
  2. Step 2: Convert to fraction form
    5,878.57/8,107.21 = 4,107.13/x
  3. Step 3: Cross multiply
    5,878.57x = 8,107.21 × 4,107.13
  4. Step 4: Simplify right side
    5,878.57x = 33,297,365.41
  5. Step 5: Solve for x
    x = 33,297,365.41/5,878.57
  6. Step 6: Final answer
    x = 5,664.19

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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.