Home / 7,120.44-10,672.50-2,735.64

Finding the Fourth Proportional to 7,120.44, 10,672.50 and 2,735.64

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Solution

The fourth proportional to 7,120.44, 10,672.50 and 2,735.64 is: 4,100.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120.44 : 10,672.50 = 2,735.64 : x
  2. Step 2: Convert to fraction form
    7,120.44/10,672.50 = 2,735.64/x
  3. Step 3: Cross multiply
    7,120.44x = 10,672.50 × 2,735.64
  4. Step 4: Simplify right side
    7,120.44x = 29,196,117.90
  5. Step 5: Solve for x
    x = 29,196,117.90/7,120.44
  6. Step 6: Final answer
    x = 4,100.32

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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.