Home / 8,020.76-12,032.85-4,072.53

Finding the Fourth Proportional to 8,020.76, 12,032.85 and 4,072.53

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Solution

The fourth proportional to 8,020.76, 12,032.85 and 4,072.53 is: 6,109.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.76 : 12,032.85 = 4,072.53 : x
  2. Step 2: Convert to fraction form
    8,020.76/12,032.85 = 4,072.53/x
  3. Step 3: Cross multiply
    8,020.76x = 12,032.85 × 4,072.53
  4. Step 4: Simplify right side
    8,020.76x = 49,004,142.61
  5. Step 5: Solve for x
    x = 49,004,142.61/8,020.76
  6. Step 6: Final answer
    x = 6,109.67

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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.