Home / 7,193.21-10,788.94-1,928.62

Finding the Fourth Proportional to 7,193.21, 10,788.94 and 1,928.62

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Solution

The fourth proportional to 7,193.21, 10,788.94 and 1,928.62 is: 2,892.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,193.21 : 10,788.94 = 1,928.62 : x
  2. Step 2: Convert to fraction form
    7,193.21/10,788.94 = 1,928.62/x
  3. Step 3: Cross multiply
    7,193.21x = 10,788.94 × 1,928.62
  4. Step 4: Simplify right side
    7,193.21x = 20,807,733.67
  5. Step 5: Solve for x
    x = 20,807,733.67/7,193.21
  6. Step 6: Final answer
    x = 2,892.69

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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.