Home / 4,222.84-6,328.14-2,913.88

Finding the Fourth Proportional to 4,222.84, 6,328.14 and 2,913.88

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Solution

The fourth proportional to 4,222.84, 6,328.14 and 2,913.88 is: 4,366.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.84 : 6,328.14 = 2,913.88 : x
  2. Step 2: Convert to fraction form
    4,222.84/6,328.14 = 2,913.88/x
  3. Step 3: Cross multiply
    4,222.84x = 6,328.14 × 2,913.88
  4. Step 4: Simplify right side
    4,222.84x = 18,439,440.58
  5. Step 5: Solve for x
    x = 18,439,440.58/4,222.84
  6. Step 6: Final answer
    x = 4,366.60

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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.