Home / 4,320-6,469.05-2,671.55

Finding the Fourth Proportional to 4,320, 6,469.05 and 2,671.55

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Solution

The fourth proportional to 4,320, 6,469.05 and 2,671.55 is: 4,000.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320 : 6,469.05 = 2,671.55 : x
  2. Step 2: Convert to fraction form
    4,320/6,469.05 = 2,671.55/x
  3. Step 3: Cross multiply
    4,320x = 6,469.05 × 2,671.55
  4. Step 4: Simplify right side
    4,320x = 17,282,358.18
  5. Step 5: Solve for x
    x = 17,282,358.18/4,320
  6. Step 6: Final answer
    x = 4,000.55

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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.