Home / 6,212.90-9,322.60-2,515.52

Finding the Fourth Proportional to 6,212.90, 9,322.60 and 2,515.52

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Solution

The fourth proportional to 6,212.90, 9,322.60 and 2,515.52 is: 3,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,212.90 : 9,322.60 = 2,515.52 : x
  2. Step 2: Convert to fraction form
    6,212.90/9,322.60 = 2,515.52/x
  3. Step 3: Cross multiply
    6,212.90x = 9,322.60 × 2,515.52
  4. Step 4: Simplify right side
    6,212.90x = 23,451,186.75
  5. Step 5: Solve for x
    x = 23,451,186.75/6,212.90
  6. Step 6: Final answer
    x = 3,774.60

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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.