Home / 5,669.72-8,505.95-1,971.42

Finding the Fourth Proportional to 5,669.72, 8,505.95 and 1,971.42

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Solution

The fourth proportional to 5,669.72, 8,505.95 and 1,971.42 is: 2,957.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.72 : 8,505.95 = 1,971.42 : x
  2. Step 2: Convert to fraction form
    5,669.72/8,505.95 = 1,971.42/x
  3. Step 3: Cross multiply
    5,669.72x = 8,505.95 × 1,971.42
  4. Step 4: Simplify right side
    5,669.72x = 16,768,790.09
  5. Step 5: Solve for x
    x = 16,768,790.09/5,669.72
  6. Step 6: Final answer
    x = 2,957.61

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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.