Home / 6,149.13-8,486.40-3,792.03

Finding the Fourth Proportional to 6,149.13, 8,486.40 and 3,792.03

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Solution

The fourth proportional to 6,149.13, 8,486.40 and 3,792.03 is: 5,233.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,149.13 : 8,486.40 = 3,792.03 : x
  2. Step 2: Convert to fraction form
    6,149.13/8,486.40 = 3,792.03/x
  3. Step 3: Cross multiply
    6,149.13x = 8,486.40 × 3,792.03
  4. Step 4: Simplify right side
    6,149.13x = 32,180,683.39
  5. Step 5: Solve for x
    x = 32,180,683.39/6,149.13
  6. Step 6: Final answer
    x = 5,233.37

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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.