Home / 7,340.60-11,012.52-2,146.88

Finding the Fourth Proportional to 7,340.60, 11,012.52 and 2,146.88

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Solution

The fourth proportional to 7,340.60, 11,012.52 and 2,146.88 is: 3,220.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.60 : 11,012.52 = 2,146.88 : x
  2. Step 2: Convert to fraction form
    7,340.60/11,012.52 = 2,146.88/x
  3. Step 3: Cross multiply
    7,340.60x = 11,012.52 × 2,146.88
  4. Step 4: Simplify right side
    7,340.60x = 23,642,558.94
  5. Step 5: Solve for x
    x = 23,642,558.94/7,340.60
  6. Step 6: Final answer
    x = 3,220.79

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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.