Home / 7,377.50-11,068.68-2,993.78

Finding the Fourth Proportional to 7,377.50, 11,068.68 and 2,993.78

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Solution

The fourth proportional to 7,377.50, 11,068.68 and 2,993.78 is: 4,491.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.50 : 11,068.68 = 2,993.78 : x
  2. Step 2: Convert to fraction form
    7,377.50/11,068.68 = 2,993.78/x
  3. Step 3: Cross multiply
    7,377.50x = 11,068.68 × 2,993.78
  4. Step 4: Simplify right side
    7,377.50x = 33,137,137.47
  5. Step 5: Solve for x
    x = 33,137,137.47/7,377.50
  6. Step 6: Final answer
    x = 4,491.65

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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.