Home / 6,106.92-8,431.34-4,687.89

Finding the Fourth Proportional to 6,106.92, 8,431.34 and 4,687.89

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Solution

The fourth proportional to 6,106.92, 8,431.34 and 4,687.89 is: 6,472.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,106.92 : 8,431.34 = 4,687.89 : x
  2. Step 2: Convert to fraction form
    6,106.92/8,431.34 = 4,687.89/x
  3. Step 3: Cross multiply
    6,106.92x = 8,431.34 × 4,687.89
  4. Step 4: Simplify right side
    6,106.92x = 39,525,171.03
  5. Step 5: Solve for x
    x = 39,525,171.03/6,106.92
  6. Step 6: Final answer
    x = 6,472.19

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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.