Home / 4,421.47-6,628.11-2,773.02

Finding the Fourth Proportional to 4,421.47, 6,628.11 and 2,773.02

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Solution

The fourth proportional to 4,421.47, 6,628.11 and 2,773.02 is: 4,156.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421.47 : 6,628.11 = 2,773.02 : x
  2. Step 2: Convert to fraction form
    4,421.47/6,628.11 = 2,773.02/x
  3. Step 3: Cross multiply
    4,421.47x = 6,628.11 × 2,773.02
  4. Step 4: Simplify right side
    4,421.47x = 18,379,881.59
  5. Step 5: Solve for x
    x = 18,379,881.59/4,421.47
  6. Step 6: Final answer
    x = 4,156.96

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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.