Home / 8,526.12-12,778.20-3,845.94

Finding the Fourth Proportional to 8,526.12, 12,778.20 and 3,845.94

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Solution

The fourth proportional to 8,526.12, 12,778.20 and 3,845.94 is: 5,763.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,526.12 : 12,778.20 = 3,845.94 : x
  2. Step 2: Convert to fraction form
    8,526.12/12,778.20 = 3,845.94/x
  3. Step 3: Cross multiply
    8,526.12x = 12,778.20 × 3,845.94
  4. Step 4: Simplify right side
    8,526.12x = 49,144,190.51
  5. Step 5: Solve for x
    x = 49,144,190.51/8,526.12
  6. Step 6: Final answer
    x = 5,763.96

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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.