Home / 8,384.82-12,582.69-3,190.74

Finding the Fourth Proportional to 8,384.82, 12,582.69 and 3,190.74

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Solution

The fourth proportional to 8,384.82, 12,582.69 and 3,190.74 is: 4,788.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,384.82 : 12,582.69 = 3,190.74 : x
  2. Step 2: Convert to fraction form
    8,384.82/12,582.69 = 3,190.74/x
  3. Step 3: Cross multiply
    8,384.82x = 12,582.69 × 3,190.74
  4. Step 4: Simplify right side
    8,384.82x = 40,148,092.29
  5. Step 5: Solve for x
    x = 40,148,092.29/8,384.82
  6. Step 6: Final answer
    x = 4,788.19

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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.