Home / 8,278.61-12,418.01-2,435.33

Finding the Fourth Proportional to 8,278.61, 12,418.01 and 2,435.33

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Solution

The fourth proportional to 8,278.61, 12,418.01 and 2,435.33 is: 3,653.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278.61 : 12,418.01 = 2,435.33 : x
  2. Step 2: Convert to fraction form
    8,278.61/12,418.01 = 2,435.33/x
  3. Step 3: Cross multiply
    8,278.61x = 12,418.01 × 2,435.33
  4. Step 4: Simplify right side
    8,278.61x = 30,241,878.03
  5. Step 5: Solve for x
    x = 30,241,878.03/8,278.61
  6. Step 6: Final answer
    x = 3,653.02

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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.