Home / 8,212.66-12,319.07-3,532.35

Finding the Fourth Proportional to 8,212.66, 12,319.07 and 3,532.35

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Solution

The fourth proportional to 8,212.66, 12,319.07 and 3,532.35 is: 5,298.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212.66 : 12,319.07 = 3,532.35 : x
  2. Step 2: Convert to fraction form
    8,212.66/12,319.07 = 3,532.35/x
  3. Step 3: Cross multiply
    8,212.66x = 12,319.07 × 3,532.35
  4. Step 4: Simplify right side
    8,212.66x = 43,515,266.91
  5. Step 5: Solve for x
    x = 43,515,266.91/8,212.66
  6. Step 6: Final answer
    x = 5,298.56

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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.