Home / 6,433.67-8,878.53-3,781.13

Finding the Fourth Proportional to 6,433.67, 8,878.53 and 3,781.13

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Solution

The fourth proportional to 6,433.67, 8,878.53 and 3,781.13 is: 5,217.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,433.67 : 8,878.53 = 3,781.13 : x
  2. Step 2: Convert to fraction form
    6,433.67/8,878.53 = 3,781.13/x
  3. Step 3: Cross multiply
    6,433.67x = 8,878.53 × 3,781.13
  4. Step 4: Simplify right side
    6,433.67x = 33,570,845.93
  5. Step 5: Solve for x
    x = 33,570,845.93/6,433.67
  6. Step 6: Final answer
    x = 5,217.99

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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.