Home / 7,214.74-10,815.70-2,835.26

Finding the Fourth Proportional to 7,214.74, 10,815.70 and 2,835.26

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Solution

The fourth proportional to 7,214.74, 10,815.70 and 2,835.26 is: 4,250.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.74 : 10,815.70 = 2,835.26 : x
  2. Step 2: Convert to fraction form
    7,214.74/10,815.70 = 2,835.26/x
  3. Step 3: Cross multiply
    7,214.74x = 10,815.70 × 2,835.26
  4. Step 4: Simplify right side
    7,214.74x = 30,665,321.58
  5. Step 5: Solve for x
    x = 30,665,321.58/7,214.74
  6. Step 6: Final answer
    x = 4,250.37

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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.