Home / 4,694.80-6,475.98-3,100.86

Finding the Fourth Proportional to 4,694.80, 6,475.98 and 3,100.86

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Solution

The fourth proportional to 4,694.80, 6,475.98 and 3,100.86 is: 4,277.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,694.80 : 6,475.98 = 3,100.86 : x
  2. Step 2: Convert to fraction form
    4,694.80/6,475.98 = 3,100.86/x
  3. Step 3: Cross multiply
    4,694.80x = 6,475.98 × 3,100.86
  4. Step 4: Simplify right side
    4,694.80x = 20,081,107.34
  5. Step 5: Solve for x
    x = 20,081,107.34/4,694.80
  6. Step 6: Final answer
    x = 4,277.31

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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.