Home / 4,555.48-6,286.80-2,786.98

Finding the Fourth Proportional to 4,555.48, 6,286.80 and 2,786.98

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Solution

The fourth proportional to 4,555.48, 6,286.80 and 2,786.98 is: 3,846.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,555.48 : 6,286.80 = 2,786.98 : x
  2. Step 2: Convert to fraction form
    4,555.48/6,286.80 = 2,786.98/x
  3. Step 3: Cross multiply
    4,555.48x = 6,286.80 × 2,786.98
  4. Step 4: Simplify right side
    4,555.48x = 17,521,185.86
  5. Step 5: Solve for x
    x = 17,521,185.86/4,555.48
  6. Step 6: Final answer
    x = 3,846.18

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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.