Home / 4,406.82-6,643.59-4,168.68

Finding the Fourth Proportional to 4,406.82, 6,643.59 and 4,168.68

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Solution

The fourth proportional to 4,406.82, 6,643.59 and 4,168.68 is: 6,284.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,406.82 : 6,643.59 = 4,168.68 : x
  2. Step 2: Convert to fraction form
    4,406.82/6,643.59 = 4,168.68/x
  3. Step 3: Cross multiply
    4,406.82x = 6,643.59 × 4,168.68
  4. Step 4: Simplify right side
    4,406.82x = 27,695,000.76
  5. Step 5: Solve for x
    x = 27,695,000.76/4,406.82
  6. Step 6: Final answer
    x = 6,284.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.