Home / 6,172.48-8,517.76-3,378.08

Finding the Fourth Proportional to 6,172.48, 8,517.76 and 3,378.08

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Solution

The fourth proportional to 6,172.48, 8,517.76 and 3,378.08 is: 4,661.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.48 : 8,517.76 = 3,378.08 : x
  2. Step 2: Convert to fraction form
    6,172.48/8,517.76 = 3,378.08/x
  3. Step 3: Cross multiply
    6,172.48x = 8,517.76 × 3,378.08
  4. Step 4: Simplify right side
    6,172.48x = 28,773,674.70
  5. Step 5: Solve for x
    x = 28,773,674.70/6,172.48
  6. Step 6: Final answer
    x = 4,661.61

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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.