Home / 8,255.95-12,383.91-2,412.55

Finding the Fourth Proportional to 8,255.95, 12,383.91 and 2,412.55

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Solution

The fourth proportional to 8,255.95, 12,383.91 and 2,412.55 is: 3,618.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.95 : 12,383.91 = 2,412.55 : x
  2. Step 2: Convert to fraction form
    8,255.95/12,383.91 = 2,412.55/x
  3. Step 3: Cross multiply
    8,255.95x = 12,383.91 × 2,412.55
  4. Step 4: Simplify right side
    8,255.95x = 29,876,802.07
  5. Step 5: Solve for x
    x = 29,876,802.07/8,255.95
  6. Step 6: Final answer
    x = 3,618.82

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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.