Home / 8,425.08-12,642.48-3,234.60

Finding the Fourth Proportional to 8,425.08, 12,642.48 and 3,234.60

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Solution

The fourth proportional to 8,425.08, 12,642.48 and 3,234.60 is: 4,853.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425.08 : 12,642.48 = 3,234.60 : x
  2. Step 2: Convert to fraction form
    8,425.08/12,642.48 = 3,234.60/x
  3. Step 3: Cross multiply
    8,425.08x = 12,642.48 × 3,234.60
  4. Step 4: Simplify right side
    8,425.08x = 40,893,365.81
  5. Step 5: Solve for x
    x = 40,893,365.81/8,425.08
  6. Step 6: Final answer
    x = 4,853.77

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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.