Home / 8,081.12-12,116.07-4,124.67

Finding the Fourth Proportional to 8,081.12, 12,116.07 and 4,124.67

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Solution

The fourth proportional to 8,081.12, 12,116.07 and 4,124.67 is: 6,184.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081.12 : 12,116.07 = 4,124.67 : x
  2. Step 2: Convert to fraction form
    8,081.12/12,116.07 = 4,124.67/x
  3. Step 3: Cross multiply
    8,081.12x = 12,116.07 × 4,124.67
  4. Step 4: Simplify right side
    8,081.12x = 49,974,790.45
  5. Step 5: Solve for x
    x = 49,974,790.45/8,081.12
  6. Step 6: Final answer
    x = 6,184.15

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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.