Home / 8,191.77-12,286.47-4,030.67

Finding the Fourth Proportional to 8,191.77, 12,286.47 and 4,030.67

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Solution

The fourth proportional to 8,191.77, 12,286.47 and 4,030.67 is: 6,045.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191.77 : 12,286.47 = 4,030.67 : x
  2. Step 2: Convert to fraction form
    8,191.77/12,286.47 = 4,030.67/x
  3. Step 3: Cross multiply
    8,191.77x = 12,286.47 × 4,030.67
  4. Step 4: Simplify right side
    8,191.77x = 49,522,706.03
  5. Step 5: Solve for x
    x = 49,522,706.03/8,191.77
  6. Step 6: Final answer
    x = 6,045.42

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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.