Home / 8,493.28-12,740.73-3,299.56

Finding the Fourth Proportional to 8,493.28, 12,740.73 and 3,299.56

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Solution

The fourth proportional to 8,493.28, 12,740.73 and 3,299.56 is: 4,949.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,493.28 : 12,740.73 = 3,299.56 : x
  2. Step 2: Convert to fraction form
    8,493.28/12,740.73 = 3,299.56/x
  3. Step 3: Cross multiply
    8,493.28x = 12,740.73 × 3,299.56
  4. Step 4: Simplify right side
    8,493.28x = 42,038,803.08
  5. Step 5: Solve for x
    x = 42,038,803.08/8,493.28
  6. Step 6: Final answer
    x = 4,949.65

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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.