Home / 4,435.80-6,658.38-2,685.21

Finding the Fourth Proportional to 4,435.80, 6,658.38 and 2,685.21

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Solution

The fourth proportional to 4,435.80, 6,658.38 and 2,685.21 is: 4,030.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,435.80 : 6,658.38 = 2,685.21 : x
  2. Step 2: Convert to fraction form
    4,435.80/6,658.38 = 2,685.21/x
  3. Step 3: Cross multiply
    4,435.80x = 6,658.38 × 2,685.21
  4. Step 4: Simplify right side
    4,435.80x = 17,879,148.56
  5. Step 5: Solve for x
    x = 17,879,148.56/4,435.80
  6. Step 6: Final answer
    x = 4,030.65

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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.