Home / 4,372.72-6,557.33-1,905.79

Finding the Fourth Proportional to 4,372.72, 6,557.33 and 1,905.79

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Solution

The fourth proportional to 4,372.72, 6,557.33 and 1,905.79 is: 2,857.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,372.72 : 6,557.33 = 1,905.79 : x
  2. Step 2: Convert to fraction form
    4,372.72/6,557.33 = 1,905.79/x
  3. Step 3: Cross multiply
    4,372.72x = 6,557.33 × 1,905.79
  4. Step 4: Simplify right side
    4,372.72x = 12,496,913.19
  5. Step 5: Solve for x
    x = 12,496,913.19/4,372.72
  6. Step 6: Final answer
    x = 2,857.93

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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.