Home / 4,455.17-6,685.42-1,786.29

Finding the Fourth Proportional to 4,455.17, 6,685.42 and 1,786.29

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Solution

The fourth proportional to 4,455.17, 6,685.42 and 1,786.29 is: 2,680.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.17 : 6,685.42 = 1,786.29 : x
  2. Step 2: Convert to fraction form
    4,455.17/6,685.42 = 1,786.29/x
  3. Step 3: Cross multiply
    4,455.17x = 6,685.42 × 1,786.29
  4. Step 4: Simplify right side
    4,455.17x = 11,942,098.89
  5. Step 5: Solve for x
    x = 11,942,098.89/4,455.17
  6. Step 6: Final answer
    x = 2,680.50

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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.