Home / 8,210.38-12,316.78-3,015.85

Finding the Fourth Proportional to 8,210.38, 12,316.78 and 3,015.85

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Solution

The fourth proportional to 8,210.38, 12,316.78 and 3,015.85 is: 4,524.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210.38 : 12,316.78 = 3,015.85 : x
  2. Step 2: Convert to fraction form
    8,210.38/12,316.78 = 3,015.85/x
  3. Step 3: Cross multiply
    8,210.38x = 12,316.78 × 3,015.85
  4. Step 4: Simplify right side
    8,210.38x = 37,145,522.63
  5. Step 5: Solve for x
    x = 37,145,522.63/8,210.38
  6. Step 6: Final answer
    x = 4,524.22

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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.