Home / 4,314.11-6,469.54-1,391.63

Finding the Fourth Proportional to 4,314.11, 6,469.54 and 1,391.63

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Solution

The fourth proportional to 4,314.11, 6,469.54 and 1,391.63 is: 2,086.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,314.11 : 6,469.54 = 1,391.63 : x
  2. Step 2: Convert to fraction form
    4,314.11/6,469.54 = 1,391.63/x
  3. Step 3: Cross multiply
    4,314.11x = 6,469.54 × 1,391.63
  4. Step 4: Simplify right side
    4,314.11x = 9,003,170.12
  5. Step 5: Solve for x
    x = 9,003,170.12/4,314.11
  6. Step 6: Final answer
    x = 2,086.91

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1.5x scale

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.