Home / 8,084.76-12,122.28-3,087.46

Finding the Fourth Proportional to 8,084.76, 12,122.28 and 3,087.46

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Solution

The fourth proportional to 8,084.76, 12,122.28 and 3,087.46 is: 4,629.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084.76 : 12,122.28 = 3,087.46 : x
  2. Step 2: Convert to fraction form
    8,084.76/12,122.28 = 3,087.46/x
  3. Step 3: Cross multiply
    8,084.76x = 12,122.28 × 3,087.46
  4. Step 4: Simplify right side
    8,084.76x = 37,427,054.61
  5. Step 5: Solve for x
    x = 37,427,054.61/8,084.76
  6. Step 6: Final answer
    x = 4,629.33

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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.