Home / 4,968.28-6,855.46-2,872

Finding the Fourth Proportional to 4,968.28, 6,855.46 and 2,872

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Solution

The fourth proportional to 4,968.28, 6,855.46 and 2,872 is: 3,962.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968.28 : 6,855.46 = 2,872 : x
  2. Step 2: Convert to fraction form
    4,968.28/6,855.46 = 2,872/x
  3. Step 3: Cross multiply
    4,968.28x = 6,855.46 × 2,872
  4. Step 4: Simplify right side
    4,968.28x = 19,688,881.12
  5. Step 5: Solve for x
    x = 19,688,881.12/4,968.28
  6. Step 6: Final answer
    x = 3,962.92

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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.