Home / 6,842.16-9,441.72-3,857.58

Finding the Fourth Proportional to 6,842.16, 9,441.72 and 3,857.58

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Solution

The fourth proportional to 6,842.16, 9,441.72 and 3,857.58 is: 5,323.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,842.16 : 9,441.72 = 3,857.58 : x
  2. Step 2: Convert to fraction form
    6,842.16/9,441.72 = 3,857.58/x
  3. Step 3: Cross multiply
    6,842.16x = 9,441.72 × 3,857.58
  4. Step 4: Simplify right side
    6,842.16x = 36,422,190.24
  5. Step 5: Solve for x
    x = 36,422,190.24/6,842.16
  6. Step 6: Final answer
    x = 5,323.20

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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.