Home / 8,299.86-12,450.15-2,753.70

Finding the Fourth Proportional to 8,299.86, 12,450.15 and 2,753.70

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Solution

The fourth proportional to 8,299.86, 12,450.15 and 2,753.70 is: 4,130.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,299.86 : 12,450.15 = 2,753.70 : x
  2. Step 2: Convert to fraction form
    8,299.86/12,450.15 = 2,753.70/x
  3. Step 3: Cross multiply
    8,299.86x = 12,450.15 × 2,753.70
  4. Step 4: Simplify right side
    8,299.86x = 34,283,978.06
  5. Step 5: Solve for x
    x = 34,283,978.06/8,299.86
  6. Step 6: Final answer
    x = 4,130.67

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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.