Home / 7,076.60-10,611.50-2,145.32

Finding the Fourth Proportional to 7,076.60, 10,611.50 and 2,145.32

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Solution

The fourth proportional to 7,076.60, 10,611.50 and 2,145.32 is: 3,216.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076.60 : 10,611.50 = 2,145.32 : x
  2. Step 2: Convert to fraction form
    7,076.60/10,611.50 = 2,145.32/x
  3. Step 3: Cross multiply
    7,076.60x = 10,611.50 × 2,145.32
  4. Step 4: Simplify right side
    7,076.60x = 22,765,063.18
  5. Step 5: Solve for x
    x = 22,765,063.18/7,076.60
  6. Step 6: Final answer
    x = 3,216.95

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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.