Home / 4,638.96-6,402-2,871.60

Finding the Fourth Proportional to 4,638.96, 6,402 and 2,871.60

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Solution

The fourth proportional to 4,638.96, 6,402 and 2,871.60 is: 3,962.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.96 : 6,402 = 2,871.60 : x
  2. Step 2: Convert to fraction form
    4,638.96/6,402 = 2,871.60/x
  3. Step 3: Cross multiply
    4,638.96x = 6,402 × 2,871.60
  4. Step 4: Simplify right side
    4,638.96x = 18,383,983.20
  5. Step 5: Solve for x
    x = 18,383,983.20/4,638.96
  6. Step 6: Final answer
    x = 3,962.95

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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.