Home / 6,240.20-9,361.88-1,857.68

Finding the Fourth Proportional to 6,240.20, 9,361.88 and 1,857.68

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Solution

The fourth proportional to 6,240.20, 9,361.88 and 1,857.68 is: 2,786.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240.20 : 9,361.88 = 1,857.68 : x
  2. Step 2: Convert to fraction form
    6,240.20/9,361.88 = 1,857.68/x
  3. Step 3: Cross multiply
    6,240.20x = 9,361.88 × 1,857.68
  4. Step 4: Simplify right side
    6,240.20x = 17,391,377.24
  5. Step 5: Solve for x
    x = 17,391,377.24/6,240.20
  6. Step 6: Final answer
    x = 2,786.99

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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.