Home / 7,147.44-10,711.40-4,028.96

Finding the Fourth Proportional to 7,147.44, 10,711.40 and 4,028.96

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Solution

The fourth proportional to 7,147.44, 10,711.40 and 4,028.96 is: 6,037.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147.44 : 10,711.40 = 4,028.96 : x
  2. Step 2: Convert to fraction form
    7,147.44/10,711.40 = 4,028.96/x
  3. Step 3: Cross multiply
    7,147.44x = 10,711.40 × 4,028.96
  4. Step 4: Simplify right side
    7,147.44x = 43,155,802.14
  5. Step 5: Solve for x
    x = 43,155,802.14/7,147.44
  6. Step 6: Final answer
    x = 6,037.94

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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.