Home / 6,172.84-8,517.26-3,653.68

Finding the Fourth Proportional to 6,172.84, 8,517.26 and 3,653.68

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Solution

The fourth proportional to 6,172.84, 8,517.26 and 3,653.68 is: 5,041.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.84 : 8,517.26 = 3,653.68 : x
  2. Step 2: Convert to fraction form
    6,172.84/8,517.26 = 3,653.68/x
  3. Step 3: Cross multiply
    6,172.84x = 8,517.26 × 3,653.68
  4. Step 4: Simplify right side
    6,172.84x = 31,119,342.52
  5. Step 5: Solve for x
    x = 31,119,342.52/6,172.84
  6. Step 6: Final answer
    x = 5,041.33

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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.