Home / 6,857.60-9,464.04-3,874.16

Finding the Fourth Proportional to 6,857.60, 9,464.04 and 3,874.16

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Solution

The fourth proportional to 6,857.60, 9,464.04 and 3,874.16 is: 5,346.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.60 : 9,464.04 = 3,874.16 : x
  2. Step 2: Convert to fraction form
    6,857.60/9,464.04 = 3,874.16/x
  3. Step 3: Cross multiply
    6,857.60x = 9,464.04 × 3,874.16
  4. Step 4: Simplify right side
    6,857.60x = 36,665,205.21
  5. Step 5: Solve for x
    x = 36,665,205.21/6,857.60
  6. Step 6: Final answer
    x = 5,346.65

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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.