Home / 6,317.21-9,475.83-1,636.88

Finding the Fourth Proportional to 6,317.21, 9,475.83 and 1,636.88

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Solution

The fourth proportional to 6,317.21, 9,475.83 and 1,636.88 is: 2,455.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317.21 : 9,475.83 = 1,636.88 : x
  2. Step 2: Convert to fraction form
    6,317.21/9,475.83 = 1,636.88/x
  3. Step 3: Cross multiply
    6,317.21x = 9,475.83 × 1,636.88
  4. Step 4: Simplify right side
    6,317.21x = 15,510,796.61
  5. Step 5: Solve for x
    x = 15,510,796.61/6,317.21
  6. Step 6: Final answer
    x = 2,455.33

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1.5x scale

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.