Home / 4,484.33-6,726.50-2,143.78

Finding the Fourth Proportional to 4,484.33, 6,726.50 and 2,143.78

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Solution

The fourth proportional to 4,484.33, 6,726.50 and 2,143.78 is: 3,215.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,484.33 : 6,726.50 = 2,143.78 : x
  2. Step 2: Convert to fraction form
    4,484.33/6,726.50 = 2,143.78/x
  3. Step 3: Cross multiply
    4,484.33x = 6,726.50 × 2,143.78
  4. Step 4: Simplify right side
    4,484.33x = 14,420,154.51
  5. Step 5: Solve for x
    x = 14,420,154.51/4,484.33
  6. Step 6: Final answer
    x = 3,215.68

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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.