Home / 5,521.84-8,286.36-5,076.88

Finding the Fourth Proportional to 5,521.84, 8,286.36 and 5,076.88

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Solution

The fourth proportional to 5,521.84, 8,286.36 and 5,076.88 is: 7,618.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.84 : 8,286.36 = 5,076.88 : x
  2. Step 2: Convert to fraction form
    5,521.84/8,286.36 = 5,076.88/x
  3. Step 3: Cross multiply
    5,521.84x = 8,286.36 × 5,076.88
  4. Step 4: Simplify right side
    5,521.84x = 42,068,855.36
  5. Step 5: Solve for x
    x = 42,068,855.36/5,521.84
  6. Step 6: Final answer
    x = 7,618.63

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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.