Home / 4,182.80-6,276.16-1,992.16

Finding the Fourth Proportional to 4,182.80, 6,276.16 and 1,992.16

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Solution

The fourth proportional to 4,182.80, 6,276.16 and 1,992.16 is: 2,989.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,182.80 : 6,276.16 = 1,992.16 : x
  2. Step 2: Convert to fraction form
    4,182.80/6,276.16 = 1,992.16/x
  3. Step 3: Cross multiply
    4,182.80x = 6,276.16 × 1,992.16
  4. Step 4: Simplify right side
    4,182.80x = 12,503,114.91
  5. Step 5: Solve for x
    x = 12,503,114.91/4,182.80
  6. Step 6: Final answer
    x = 2,989.17

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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.