Home / 4,189.50-5,792.43-4,005.90

Finding the Fourth Proportional to 4,189.50, 5,792.43 and 4,005.90

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Solution

The fourth proportional to 4,189.50, 5,792.43 and 4,005.90 is: 5,538.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.50 : 5,792.43 = 4,005.90 : x
  2. Step 2: Convert to fraction form
    4,189.50/5,792.43 = 4,005.90/x
  3. Step 3: Cross multiply
    4,189.50x = 5,792.43 × 4,005.90
  4. Step 4: Simplify right side
    4,189.50x = 23,203,895.34
  5. Step 5: Solve for x
    x = 23,203,895.34/4,189.50
  6. Step 6: Final answer
    x = 5,538.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.