Home / 8,416.35-12,624.87-3,150.84

Finding the Fourth Proportional to 8,416.35, 12,624.87 and 3,150.84

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Solution

The fourth proportional to 8,416.35, 12,624.87 and 3,150.84 is: 4,726.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,416.35 : 12,624.87 = 3,150.84 : x
  2. Step 2: Convert to fraction form
    8,416.35/12,624.87 = 3,150.84/x
  3. Step 3: Cross multiply
    8,416.35x = 12,624.87 × 3,150.84
  4. Step 4: Simplify right side
    8,416.35x = 39,778,945.39
  5. Step 5: Solve for x
    x = 39,778,945.39/8,416.35
  6. Step 6: Final answer
    x = 4,726.39

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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.