Home / 8,427.42-12,642.72-3,232.89

Finding the Fourth Proportional to 8,427.42, 12,642.72 and 3,232.89

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Solution

The fourth proportional to 8,427.42, 12,642.72 and 3,232.89 is: 4,849.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427.42 : 12,642.72 = 3,232.89 : x
  2. Step 2: Convert to fraction form
    8,427.42/12,642.72 = 3,232.89/x
  3. Step 3: Cross multiply
    8,427.42x = 12,642.72 × 3,232.89
  4. Step 4: Simplify right side
    8,427.42x = 40,872,523.06
  5. Step 5: Solve for x
    x = 40,872,523.06/8,427.42
  6. Step 6: Final answer
    x = 4,849.94

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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.