Home / 4,286.84-5,915.58-2,715.44

Finding the Fourth Proportional to 4,286.84, 5,915.58 and 2,715.44

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Solution

The fourth proportional to 4,286.84, 5,915.58 and 2,715.44 is: 3,747.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.84 : 5,915.58 = 2,715.44 : x
  2. Step 2: Convert to fraction form
    4,286.84/5,915.58 = 2,715.44/x
  3. Step 3: Cross multiply
    4,286.84x = 5,915.58 × 2,715.44
  4. Step 4: Simplify right side
    4,286.84x = 16,063,402.56
  5. Step 5: Solve for x
    x = 16,063,402.56/4,286.84
  6. Step 6: Final answer
    x = 3,747.14

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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.