Home / 4,484.36-6,721.68-2,171

Finding the Fourth Proportional to 4,484.36, 6,721.68 and 2,171

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Solution

The fourth proportional to 4,484.36, 6,721.68 and 2,171 is: 3,254.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,484.36 : 6,721.68 = 2,171 : x
  2. Step 2: Convert to fraction form
    4,484.36/6,721.68 = 2,171/x
  3. Step 3: Cross multiply
    4,484.36x = 6,721.68 × 2,171
  4. Step 4: Simplify right side
    4,484.36x = 14,592,767.28
  5. Step 5: Solve for x
    x = 14,592,767.28/4,484.36
  6. Step 6: Final answer
    x = 3,254.15

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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.