Home / 8,239.14-12,356.22-3,045.42

Finding the Fourth Proportional to 8,239.14, 12,356.22 and 3,045.42

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Solution

The fourth proportional to 8,239.14, 12,356.22 and 3,045.42 is: 4,567.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.14 : 12,356.22 = 3,045.42 : x
  2. Step 2: Convert to fraction form
    8,239.14/12,356.22 = 3,045.42/x
  3. Step 3: Cross multiply
    8,239.14x = 12,356.22 × 3,045.42
  4. Step 4: Simplify right side
    8,239.14x = 37,629,879.51
  5. Step 5: Solve for x
    x = 37,629,879.51/8,239.14
  6. Step 6: Final answer
    x = 4,567.21

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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.