Home / 5,517.84-8,276.16-1,818.84

Finding the Fourth Proportional to 5,517.84, 8,276.16 and 1,818.84

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Solution

The fourth proportional to 5,517.84, 8,276.16 and 1,818.84 is: 2,728.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.84 : 8,276.16 = 1,818.84 : x
  2. Step 2: Convert to fraction form
    5,517.84/8,276.16 = 1,818.84/x
  3. Step 3: Cross multiply
    5,517.84x = 8,276.16 × 1,818.84
  4. Step 4: Simplify right side
    5,517.84x = 15,053,010.85
  5. Step 5: Solve for x
    x = 15,053,010.85/5,517.84
  6. Step 6: Final answer
    x = 2,728.06

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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.