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Finding the Fourth Proportional to 4,867, 6,719.02 and 3,451.86

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Solution

The fourth proportional to 4,867, 6,719.02 and 3,451.86 is: 4,765.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867 : 6,719.02 = 3,451.86 : x
  2. Step 2: Convert to fraction form
    4,867/6,719.02 = 3,451.86/x
  3. Step 3: Cross multiply
    4,867x = 6,719.02 × 3,451.86
  4. Step 4: Simplify right side
    4,867x = 23,193,116.38
  5. Step 5: Solve for x
    x = 23,193,116.38/4,867
  6. Step 6: Final answer
    x = 4,765.38

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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.