Home / 4,484.55-6,722.47-2,143.95

Finding the Fourth Proportional to 4,484.55, 6,722.47 and 2,143.95

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Solution

The fourth proportional to 4,484.55, 6,722.47 and 2,143.95 is: 3,213.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,484.55 : 6,722.47 = 2,143.95 : x
  2. Step 2: Convert to fraction form
    4,484.55/6,722.47 = 2,143.95/x
  3. Step 3: Cross multiply
    4,484.55x = 6,722.47 × 2,143.95
  4. Step 4: Simplify right side
    4,484.55x = 14,412,648.81
  5. Step 5: Solve for x
    x = 14,412,648.81/4,484.55
  6. Step 6: Final answer
    x = 3,213.84

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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.