Home / 8,278.74-12,418.11-2,435.36

Finding the Fourth Proportional to 8,278.74, 12,418.11 and 2,435.36

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Solution

The fourth proportional to 8,278.74, 12,418.11 and 2,435.36 is: 3,653.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278.74 : 12,418.11 = 2,435.36 : x
  2. Step 2: Convert to fraction form
    8,278.74/12,418.11 = 2,435.36/x
  3. Step 3: Cross multiply
    8,278.74x = 12,418.11 × 2,435.36
  4. Step 4: Simplify right side
    8,278.74x = 30,242,506.28
  5. Step 5: Solve for x
    x = 30,242,506.28/8,278.74
  6. Step 6: Final answer
    x = 3,653.03

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Similar ratio
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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.