Home / 5,551.39-7,660.97-3,561.99

Finding the Fourth Proportional to 5,551.39, 7,660.97 and 3,561.99

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Solution

The fourth proportional to 5,551.39, 7,660.97 and 3,561.99 is: 4,915.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.39 : 7,660.97 = 3,561.99 : x
  2. Step 2: Convert to fraction form
    5,551.39/7,660.97 = 3,561.99/x
  3. Step 3: Cross multiply
    5,551.39x = 7,660.97 × 3,561.99
  4. Step 4: Simplify right side
    5,551.39x = 27,288,298.53
  5. Step 5: Solve for x
    x = 27,288,298.53/5,551.39
  6. Step 6: Final answer
    x = 4,915.58

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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.