Home / 6,949.80-10,424.70-3,669.30

Finding the Fourth Proportional to 6,949.80, 10,424.70 and 3,669.30

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Solution

The fourth proportional to 6,949.80, 10,424.70 and 3,669.30 is: 5,503.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,949.80 : 10,424.70 = 3,669.30 : x
  2. Step 2: Convert to fraction form
    6,949.80/10,424.70 = 3,669.30/x
  3. Step 3: Cross multiply
    6,949.80x = 10,424.70 × 3,669.30
  4. Step 4: Simplify right side
    6,949.80x = 38,251,351.71
  5. Step 5: Solve for x
    x = 38,251,351.71/6,949.80
  6. Step 6: Final answer
    x = 5,503.95

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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.