Home / 7,558.82-11,334.07-2,812.58

Finding the Fourth Proportional to 7,558.82, 11,334.07 and 2,812.58

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Solution

The fourth proportional to 7,558.82, 11,334.07 and 2,812.58 is: 4,217.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558.82 : 11,334.07 = 2,812.58 : x
  2. Step 2: Convert to fraction form
    7,558.82/11,334.07 = 2,812.58/x
  3. Step 3: Cross multiply
    7,558.82x = 11,334.07 × 2,812.58
  4. Step 4: Simplify right side
    7,558.82x = 31,877,978.60
  5. Step 5: Solve for x
    x = 31,877,978.60/7,558.82
  6. Step 6: Final answer
    x = 4,217.32

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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.