Home / 8,217.42-12,327.33-4,322.10

Finding the Fourth Proportional to 8,217.42, 12,327.33 and 4,322.10

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Solution

The fourth proportional to 8,217.42, 12,327.33 and 4,322.10 is: 6,483.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.42 : 12,327.33 = 4,322.10 : x
  2. Step 2: Convert to fraction form
    8,217.42/12,327.33 = 4,322.10/x
  3. Step 3: Cross multiply
    8,217.42x = 12,327.33 × 4,322.10
  4. Step 4: Simplify right side
    8,217.42x = 53,279,952.99
  5. Step 5: Solve for x
    x = 53,279,952.99/8,217.42
  6. Step 6: Final answer
    x = 6,483.78

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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.