Home / 8,948.40-13,424.92-3,401.84

Finding the Fourth Proportional to 8,948.40, 13,424.92 and 3,401.84

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Solution

The fourth proportional to 8,948.40, 13,424.92 and 3,401.84 is: 5,103.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.40 : 13,424.92 = 3,401.84 : x
  2. Step 2: Convert to fraction form
    8,948.40/13,424.92 = 3,401.84/x
  3. Step 3: Cross multiply
    8,948.40x = 13,424.92 × 3,401.84
  4. Step 4: Simplify right side
    8,948.40x = 45,669,429.85
  5. Step 5: Solve for x
    x = 45,669,429.85/8,948.40
  6. Step 6: Final answer
    x = 5,103.64

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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.