Home / 4,783.80-6,601.68-2,687.91

Finding the Fourth Proportional to 4,783.80, 6,601.68 and 2,687.91

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Solution

The fourth proportional to 4,783.80, 6,601.68 and 2,687.91 is: 3,709.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,783.80 : 6,601.68 = 2,687.91 : x
  2. Step 2: Convert to fraction form
    4,783.80/6,601.68 = 2,687.91/x
  3. Step 3: Cross multiply
    4,783.80x = 6,601.68 × 2,687.91
  4. Step 4: Simplify right side
    4,783.80x = 17,744,721.69
  5. Step 5: Solve for x
    x = 17,744,721.69/4,783.80
  6. Step 6: Final answer
    x = 3,709.34

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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.