Home / 8,250.90-12,376.92-3,320.55

Finding the Fourth Proportional to 8,250.90, 12,376.92 and 3,320.55

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Solution

The fourth proportional to 8,250.90, 12,376.92 and 3,320.55 is: 4,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,250.90 : 12,376.92 = 3,320.55 : x
  2. Step 2: Convert to fraction form
    8,250.90/12,376.92 = 3,320.55/x
  3. Step 3: Cross multiply
    8,250.90x = 12,376.92 × 3,320.55
  4. Step 4: Simplify right side
    8,250.90x = 41,098,181.71
  5. Step 5: Solve for x
    x = 41,098,181.71/8,250.90
  6. Step 6: Final answer
    x = 4,981.05

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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.