Home / 4,170.24-6,248.88-2,628

Finding the Fourth Proportional to 4,170.24, 6,248.88 and 2,628

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Solution

The fourth proportional to 4,170.24, 6,248.88 and 2,628 is: 3,937.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.24 : 6,248.88 = 2,628 : x
  2. Step 2: Convert to fraction form
    4,170.24/6,248.88 = 2,628/x
  3. Step 3: Cross multiply
    4,170.24x = 6,248.88 × 2,628
  4. Step 4: Simplify right side
    4,170.24x = 16,422,056.64
  5. Step 5: Solve for x
    x = 16,422,056.64/4,170.24
  6. Step 6: Final answer
    x = 3,937.92

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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.