Home / 8,208.57-12,316.86-5,087.73

Finding the Fourth Proportional to 8,208.57, 12,316.86 and 5,087.73

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Solution

The fourth proportional to 8,208.57, 12,316.86 and 5,087.73 is: 7,634.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208.57 : 12,316.86 = 5,087.73 : x
  2. Step 2: Convert to fraction form
    8,208.57/12,316.86 = 5,087.73/x
  3. Step 3: Cross multiply
    8,208.57x = 12,316.86 × 5,087.73
  4. Step 4: Simplify right side
    8,208.57x = 62,664,858.13
  5. Step 5: Solve for x
    x = 62,664,858.13/8,208.57
  6. Step 6: Final answer
    x = 7,634.08

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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.