Home / 8,949.74-13,424.61-3,401.78

Finding the Fourth Proportional to 8,949.74, 13,424.61 and 3,401.78

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Solution

The fourth proportional to 8,949.74, 13,424.61 and 3,401.78 is: 5,102.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.74 : 13,424.61 = 3,401.78 : x
  2. Step 2: Convert to fraction form
    8,949.74/13,424.61 = 3,401.78/x
  3. Step 3: Cross multiply
    8,949.74x = 13,424.61 × 3,401.78
  4. Step 4: Simplify right side
    8,949.74x = 45,667,569.81
  5. Step 5: Solve for x
    x = 45,667,569.81/8,949.74
  6. Step 6: Final answer
    x = 5,102.67

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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.