Home / 8,319.33-12,476.25-2,771.15

Finding the Fourth Proportional to 8,319.33, 12,476.25 and 2,771.15

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Solution

The fourth proportional to 8,319.33, 12,476.25 and 2,771.15 is: 4,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.33 : 12,476.25 = 2,771.15 : x
  2. Step 2: Convert to fraction form
    8,319.33/12,476.25 = 2,771.15/x
  3. Step 3: Cross multiply
    8,319.33x = 12,476.25 × 2,771.15
  4. Step 4: Simplify right side
    8,319.33x = 34,573,497.81
  5. Step 5: Solve for x
    x = 34,573,497.81/8,319.33
  6. Step 6: Final answer
    x = 4,155.80

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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.